User:Benwing2/test-is-ndecl-m-2

masculine strong part 2

words in -ar

words in -ar that contract

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NOTE: stem *DOES* include -r by default.
NOTE: default dative of words whose stem ends in vowel or -r after a vowel is -/-, except when contraction takes place (it produces a two-consonant cluster in the dative).
NOTE: For simplicity, all proper names except those whose stem ends in a vowel have dati as the default.
hamar (“hammer”) (dat pl hömrum); also humar (“lobster”), jaðar (“edge”) (dat pl jöðrum), gagar (“?”) (archaic), kamar (“privy, outdoor toilet”), lokar (“?”) (archaic), nafar (“auger, gimlet”), compounds

Declension of hamar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hamar	hamarinn	hamrar	hamrarnir
accusative	hamar	hamarinn	hamra	hamrana
dative	hamri	hamrinum	hömrum	hömrunum
genitive	hamars	hamarsins	hamra	hamranna

words in -ar that don't contract

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dat-/-: radar (“radar”) (dat pl radörum); also bar (“bar (unit)”) (usually neuter; dat pl börum), spíkar (“large nail”) (rare; dat pl spíkörum), basar (“bazaar”) (dat pl basörum), dínar (“dinar”) (dat pl dínörum), lúkar (“hatch?”) (dat pl lúkörum), lúgar (“poetic for lúkar”), sígar (“cigar”) (dat pl sígörum), sítar (“sitar”) (dat pl sítörum), sónar (“sonar”) (dat pl sónörum), tapar (“?”) (obsolete; dat pl tapörum)

Declension of radar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	radar	radarinn	radarar	radararnir
accusative	radar	radarinn	radara	radarana
dative	radar	radarnum	radörum	radörunum
genitive	radars	radarsins	radara	radaranna

dat-/-: bikar (“beaker”) (dat pl bikurum), dollar (“dollar”) (dat pl dollurum)

Declension of bikar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bikar	bikarinn	bikarar	bikararnir
accusative	bikar	bikarinn	bikara	bikarana
dative	bikar	bikarnum	bikurum	bikurunum
genitive	bikars	bikarsins	bikara	bikaranna

dat-/-: gítar (“guitar”) (dat pl gítörum/gíturum)

Declension of gítar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	gítar	gítarinn	gítarar	gítararnir
accusative	gítar	gítarinn	gítara	gítarana
dative	gítar	gítarnum	gítörum, gíturum	gítörunum, gíturunum
genitive	gítars	gítarsins	gítara	gítaranna

dat-/-, sg-only: kopar (“copper”); also pipar (“pepper”), agar (“agar?”) (also neuter), hasar (“action?”)

Declension of kopar (sg-only masculine)

	singular
	indefinite	definite
nominative	kopar	koparinn
accusative	kopar	koparinn
dative	kopar	koparnum
genitive	kopars	koparsins

dat-/i:-: tsar (“tsar”) (dat pl tsörum); also zar (“tsar (proscribed)”)

Declension of tsar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	tsar	tsarinn	tsarar	tsararnir
accusative	tsar	tsarinn	tsara	tsarana
dative	tsar	tsarinum, tsarnum	tsörum	tsörunum
genitive	tsars	tsarsins	tsara	tsaranna

Ánar (proper name; poetic); also Kíar, Ónar

Declension of Ánar (sg-only masculine)

indefinite singular
nominative	Ánar
accusative	Ánar
dative	Ánari
genitive	Ánars

Ásar (male given name); also Ísar, Ívar, Ómar, Róar, Ýrar, Ævar, Öxar

Declension of Ásar (sg-only masculine)

indefinite singular
nominative	Ásar
accusative	Ásar
dative	Ásari
genitive	Ásars

poetic, monosyllabic

mar (“sea (poetic, in a collective sense)”); dat sg in -:-i/-num:-inum per BÍN; gen in -ar per Thomson and BÍN

Declension of mar (sg-only masculine)

	singular
	indefinite	definite
nominative	mar	marinn
accusative	mar	marinn
dative	mar, mari	marnum, marinum
genitive	marar	mararins

mar (“horse (poetic)”); dat sg in -:-i/-num:-inum per BÍN; gen in -s per Thomson and BÍN; pl in -ar or -ir; dat pl mörum

Declension of mar (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mar	marinn	marar, marir	mararnir, marirnir
accusative	mar	marinn	mara, mari	marana, marina
dative	mar, mari	marnum, marinum	mörum	mörunum
genitive	mars	marsins	mara	maranna

words in -or

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NOTE: stem *DOES* include -r by default.
NOTE: default dative of words whose stem ends in vowel or -r after a vowel is -/-.
NOTE: For simplicity, all proper names except those whose stem ends in a vowel have dati as the default.
dat-/-: bor (“drill”) (also eldbor (“?”), trébor (“?”), vélbor (“?”)); also doktor (“doctor”), lektor (“professor”), mótor (“motor”), prófessor (“professor”), rektor (“high school principal; university president”), traktor (“tractor”), hónor (“?”), major (“?”), príor (“?”), faktor (“?”), kantor (“?”), mentor (“?”), pastor (“?”), signor (“?”) (archaic), vektor (“?”)

Declension of bor (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bor	borinn	borar	borarnir
accusative	bor	borinn	bora	borana
dative	bor	bornum	borum	borunum
genitive	bors	borsins	bora	boranna

dat-/-: hor (“?”); also amor (“?”) (obsolete), húmor (“?”), terror (“?”)

Declension of hor (sg-only masculine)

	singular
	indefinite	definite
nominative	hor	horinn
accusative	hor	horinn
dative	hor	hornum
genitive	hors	horsins

dat-:i/-: flúor (“flourine”) (also neuter; also masculine flúr)

Declension of flúor (sg-only masculine)

	singular
	indefinite	definite
nominative	flúor	flúorinn
accusative	flúor	flúorinn
dative	flúor, flúori	flúornum
genitive	flúors	flúorsins

dat-: Tor (male given name); also Anor, Thor, Príor, Gregor

Declension of Tor (sg-only masculine)

indefinite singular
nominative	Tor
accusative	Tor
dative	Tor
genitive	Tors

dat-: Amor (proper name)

Declension of Amor (sg-only masculine)

indefinite singular
nominative	Amor
accusative	Amor
dative	Amor
genitive	Amors

dat-: Orator (organization name)

Declension of Orator (sg-only masculine)

indefinite singular
nominative	Orator
accusative	Orator
dative	Orator
genitive	Orators

dati: Ektor (proper name); also Hector, Hektor, Kastor, Victor, Viktor

Declension of Ektor (sg-only masculine)

indefinite singular
nominative	Ektor
accusative	Ektor
dative	Ektori
genitive	Ektors

words in -er, -ér, -eir, -ír, -úr, -yr

NOTE: stem *DOES* include -r by default.
NOTE: default dative of words whose stem ends in vowel or -r after a vowel is -/-.
NOTE: For simplicity, all proper names except those whose stem ends in a vowel have dati as the default.

in -er

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dat-:i/-; ver (“man, husband (poetic)”)

Declension of ver (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ver	verinn	verar	verarnir
accusative	ver	verinn	vera	verana
dative	ver, veri	vernum	verum	verunum
genitive	vers	versins	vera	veranna

dat-/-; her (“army”)

Declension of her (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	her	herinn	herir	herirnir
accusative	her	herinn	heri	herina
dative	her	hernum	herjum	herjunum
genitive	hers	hersins	herja	herjanna

dat-/-; hver (“hot spring??”)

Declension of hver (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hver	hverinn	hverir, hverar¹	hverirnir, hverarnir¹
accusative	hver	hverinn	hveri, hvera¹	hverina, hverana¹
dative	hver	hvernum	hverum	hverunum
genitive	hvers	hversins	hvera	hveranna

¹Archaic.

dat-/-; eter (“?”)

Declension of eter (sg-only masculine)

	singular
	indefinite	definite
nominative	eter	eterinn
accusative	eter	eterinn
dative	eter	eternum
genitive	eters	etersins

NOTE: ver (“wake of oars; stroke of oars”) not in BÍN; claimed to be dat-/-, gen in -s, pl in -ir

Declension of ver (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ver	verinn	verir	verirnir
accusative	ver	verinn	veri	verina
dative	ver	vernum	verum	verunum
genitive	vers	versins	vera	veranna

neuter

Declension of ver (neuter)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ver¹	verið¹	ver¹	verin¹
accusative	ver¹	verið¹	ver¹	verin¹
dative	veri¹	verinu¹	verum¹	verunum¹
genitive	vers¹	versins¹	vera¹	veranna¹

¹Regional.

dat-; Per (male given name); also Ver

Declension of Per (sg-only masculine)

indefinite singular
nominative	Per
accusative	Per
dative	Per
genitive	Pers

dat-; Grer (proper name)

Declension of Grer (sg-only masculine)

indefinite singular
nominative	Grer
accusative	Grer
dative	Grer
genitive	Grers

in -eir

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dat-:i/-; geir (“?”)

Declension of geir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	geir	geirinn	geirar	geirarnir
accusative	geir	geirinn	geira	geirana
dative	geir, geiri	geirnum	geirum	geirunum
genitive	geirs	geirsins	geira	geiranna

dat-:i/-, sg-only; eir (“copper”)

Declension of eir (sg-only masculine)

	singular
	indefinite	definite
nominative	eir	eirinn
accusative	eir	eirinn
dative	eir, eiri	eirnum
genitive	eirs	eirsins

dat-/-; leir (“clay”)

Declension of leir (sg-only masculine)

	singular
	indefinite	definite
nominative	leir	leirinn
accusative	leir	leirinn
dative	leir	leirnum
genitive	leirs	leirsins

dat-; Geir (male given name)

Declension of Geir (sg-only masculine)

indefinite singular
nominative	Geir
accusative	Geir
dative	Geir
genitive	Geirs

in -ír

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dat-/-; gír (“gear (auto)”); also pappír (“paper”), safír (“sapphire”) (saffír (“sapphire”), proscribed), vesír (“vizier”), vír (“wire”), fír (“??? (fairy?)”), emír (“emir”)

Declension of gír (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	gír	gírinn	gírar	gírarnir
accusative	gír	gírinn	gíra	gírana
dative	gír	gírnum	gírum	gírunum
genitive	gírs	gírsins	gíra	gíranna

dat-/-, sg-only; tír (“honor”)

Declension of tír (sg-only masculine)

	singular
	indefinite	definite
nominative	tír	tírinn
accusative	tír	tírinn
dative	tír	tírnum
genitive	tírs, tírar	tírsins, tírarins

dat-; Kasmír (“Kashmir”)

Declension of Kasmír (sg-only masculine)

indefinite singular
nominative	Kasmír
accusative	Kasmír
dative	Kasmír
genitive	Kasmír¹, Kasmírs

¹More common.

dat-; Amír (male given name)

Declension of Amír (sg-only masculine)

indefinite singular
nominative	Amír
accusative	Amír
dative	Amír
genitive	Amírs

in -úr

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dat-/-; múr (“wall”); also skúr (“shed”) (bílskúr (“garage”)), dúr (“major (music)”), kúr (“?”), lúr (“nap???”), túr (“tour???”), lemúr (“lemur”)

Declension of múr (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	múr	múrinn	múrar	múrarnir
accusative	múr	múrinn	múra	múrana
dative	múr	múrnum	múrum	múrunum
genitive	múrs	múrsins	múra	múranna

dat-/-; gúr (“gourd???”); also súr (“???”), asúr (“???”), lasúr (“enamel glaze???”)

Declension of gúr (sg-only masculine)

	singular
	indefinite	definite
nominative	gúr	gúrinn
accusative	gúr	gúrinn
dative	gúr	gúrnum
genitive	gúrs	gúrsins

dat-/-; skúr (“rain shower”) (usually feminine)

Declension of skúr (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	skúr	skúrinn	skúrir	skúrirnir
accusative	skúr	skúrinn	skúri	skúrina
dative	skúr	skúrnum	skúrum	skúrunum
genitive	skúrs	skúrsins	skúra	skúranna

dat-:i/-:i; flúr (“fluorine”) (proscribed for flúor)

Declension of flúr (sg-only masculine)

	singular
	indefinite	definite
nominative	flúr	flúrinn
accusative	flúr	flúrinn
dative	flúr, flúri	flúrnum, flúrinum
genitive	flúrs	flúrsins

dati: Artúr (male given name)

Declension of Artúr (sg-only masculine)

indefinite singular
nominative	Artúr
accusative	Artúr
dative	Artúri
genitive	Artúrs

in -yr

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dat-/-; byr (“fair wind”)

Declension of byr (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	byr	byrinn	byrir	byrirnir
accusative	byr	byrinn	byri	byrina
dative	byr	byrnum	byrjum	byrjunum
genitive	byrjar, byrs	byrjarins, byrsins	byrja	byrjanna

dat-/-; styr (“battle, disturbance”)

Declension of styr (sg-only masculine)

	singular
	indefinite	definite
nominative	styr	styrinn
accusative	styr	styrinn
dative	styr	styrnum
genitive	styrjar	styrjarins

dat-/-; hyr (“fire (poetic)”)

Declension of hyr (sg-only masculine)

	singular
	indefinite	definite
nominative	hyr	hyrinn
accusative	hyr	hyrinn
dative	hyr	hyrnum
genitive	hyrs, hyrjar	hyrsins, hyrjarins

dat-/-; Styr (male given name)

Declension of Styr (sg-only masculine)

indefinite singular
nominative	Styr
accusative	Styr
dative	Styr
genitive	Styrs

words without -ur in masculine singular

ending in two consonants

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dat i/i; botn (“bottom”), fugl (“bird”) (alifugl (“poultry (usually plural?)”)), [hvinn (“petty thief”) not in BÍN], ofn (“stove; radiator”), stofn (“stem”), turn (“tower”) (söluturn (“kiosk”), vitaturn (“lighthouse”)), þegn (“subject”)

Declension of botn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	botn	botninn	botnar	botnarnir
accusative	botn	botninn	botna	botnana
dative	botni	botninum	botnum	botnunum
genitive	botns	botnsins	botna	botnanna

dat i/i, sg-only; svefn (“sleep”)

Declension of svefn (sg-only masculine)

	singular
	indefinite	definite
nominative	svefn	svefninn
accusative	svefn	svefninn
dative	svefni	svefninum
genitive	svefns	svefnsins

dat i/i, with umut; afl (“forge”), gafl (“gable”), hrafn (“raven”), jarl (“earl, count”), jaxl (“molar (tooth)”), kall (“guy, dude; ten-krónur bill”), karl (“man, guy”) (hákarl (“shark”); dat pl hákörlum), skafl (“snowdrift; sand drift”), stafn (“stem (of ship)”), vagl (“tie beam”), vagn (“wagon”) (barnavagn (“baby carriage”), strætisvagn (“city bus”))

Declension of afl (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	afl	aflinn	aflar	aflarnir
accusative	afl	aflinn	afla	aflana
dative	afli	aflinum	öflum	öflunum
genitive	afls	aflsins	afla	aflanna

dat i/i, with loss of -s in gen sg after C + s; foss (“waterfall”), háls (“neck”), koss (“kiss”), kross (“cross”)

Declension of foss (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	foss	fossinn	fossar	fossarnir
accusative	foss	fossinn	fossa	fossana
dative	fossi	fossinum	fossum	fossunum
genitive	foss	fossins	fossa	fossanna

dat i/i, with umut and loss of -s in gen sg after C + s; dans (“dance”), lax (“salmon”), rass (“ass, posterior”), vals (“rotating cylinder in machinery; waltz”)

Declension of dans (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	dans	dansinn	dansar	dansarnir
accusative	dans	dansinn	dansa	dansana
dative	dansi	dansinum	dönsum	dönsunum
genitive	dans	dansins	dansa	dansanna

Declension of lax (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	lax	laxinn	laxar	laxarnir
accusative	lax	laxinn	laxa	laxana
dative	laxi	laxinum	löxum	löxunum
genitive	lax	laxins	laxa	laxanna

dat i:-/i, with loss of -s in gen sg after C + s; prins (“prince”)

Declension of prins (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	prins	prinsinn	prinsar	prinsarnir
accusative	prins	prinsinn	prinsa	prinsana
dative	prinsi, prins	prinsinum	prinsum	prinsunum
genitive	prins	prinsins	prinsa	prinsanna

dat i:-/i, with umut and loss of -s in gen sg after C + s; krans (“wreath, garland”)

Declension of krans (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	krans	kransinn	kransar	kransarnir
accusative	krans	kransinn	kransa	kransana
dative	kransi, krans	kransinum	krönsum	krönsunum
genitive	krans	kransins	kransa	kransanna

dat -/i, with loss of -s in gen sg after C + s; pels (“fur; fur coat”)

Declension of pels (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	pels	pelsinn	pelsar	pelsarnir
accusative	pels	pelsinn	pelsa	pelsana
dative	pels	pelsinum	pelsum	pelsunum
genitive	pels	pelsins	pelsa	pelsanna

dat -/i, with umut and loss of -s in gen sg after C + s; mars (“March; march (military song)”), sjans (“chance”) (also séns)

Declension of mars (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mars	marsinn	marsar	marsarnir
accusative	mars	marsinn	marsa	marsana
dative	mars	marsinum	mörsum	mörsunum
genitive	mars	marsins	marsa	marsanna

dat i:-, with loss of -s in gen sg after C + s, indef/sg only; lamasess (“disrepair; standstill, paralysis”)

Declension of lamasess (sg-only masculine)

indefinite singular
nominative	lamasess
accusative	lamasess
dative	lamasessi, lamasess
genitive	lamasess

personal names

dat i; Hrafn (male given name), Jón (male given name), Karl (male given name)

Declension of Hrafn (sg-only masculine)

indefinite singular
nominative	Hrafn
accusative	Hrafn
dative	Hrafni
genitive	Hrafns

dat -; Mars (“Mars (planet; male given name; Roman god)”)

Declension of Mars (sg-only masculine)

indefinite singular
nominative	Mars
accusative	Mars
dative	Mars
genitive	Mars

ending in one consonant

monosyllabic

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dat i:-[footnote]/-; ós (“river mouth”)

Declension of ós (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ós	ósinn	ósar	ósarnir
accusative	ós	ósinn	ósa	ósana
dative	ósi, ós¹	ósnum	ósum	ósunum
genitive	óss	óssins	ósa	ósanna

¹Significantly less common.

dat -:i/-; ás (“beam; axle; ridge, long hill; ace”); also bás (“stall in cow barn”), hnaus (“piece of turf”), lás (“lock”) (rennilás (“zipper”)), ys (“noise”)

Declension of ás (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ás	ásinn	ásar	ásarnir
accusative	ás	ásinn	ása	ásana
dative	ás, ási	ásnum	ásum	ásunum
genitive	áss	ássins	ása	ásanna

dat -:i/-:i; plús (“plus (sign)”)

Declension of plús (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	plús	plúsinn	plúsar	plúsarnir
accusative	plús	plúsinn	plúsa	plúsana
dative	plús, plúsi	plúsnum, plúsinum	plúsum	plúsunum
genitive	plúss	plússins	plúsa	plúsanna

dat -:i[footnote]/-; ís (“ice”)

Declension of ís (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ís	ísinn	ísar	ísarnir
accusative	ís	ísinn	ísa	ísana
dative	ís, ísi¹	ísnum	ísum	ísunum
genitive	íss	íssins	ísa	ísanna

¹Rare except in fixed expressions.

dat -/-; haus (“head”); also þys (“noise”)

Declension of haus (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	haus	hausinn	hausar	hausarnir
accusative	haus	hausinn	hausa	hausana
dative	haus	hausnum	hausum	hausunum
genitive	hauss	haussins	hausa	hausanna

dat -/-, pl -ir with i-mut; ás (“ás (type of Norse god)”)

Declension of ás (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ás	ásinn	æsir	æsirnir
accusative	ás	ásinn	æsi	æsina
dative	ás, æsi¹	ásnum	ásum	ásunum
genitive	áss	ássins	ása	ásanna

¹Archaic.

: dat sg ás per BÍN but æsi per Thomson

polysyllabic

common nouns

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dat i/-:i; biskup (“bishop (priest; chess)”)

Declension of biskup (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	biskup	biskupinn	biskupar	biskuparnir
accusative	biskup	biskupinn	biskupa	biskupana
dative	biskupi	biskupnum, biskupinum	biskupum	biskupunum
genitive	biskups	biskupsins	biskupa	biskupanna

dat -:i/-:i, gen -/-s; tennis (“tennis”)

Declension of tennis (sg-only masculine)

	singular
	indefinite	definite
nominative	tennis	tennisinn
accusative	tennis	tennisinn
dative	tennis, tennisi	tennisnum, tennisinum
genitive	tennis, tenniss	tennisins, tennissins

dat -:i/-; kjaftás (“chatterbox”), prímus (“primus stove”), radíus (“radius”)

Declension of kjaftás (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kjaftás	kjaftásinn	kjaftásar	kjaftásarnir
accusative	kjaftás	kjaftásinn	kjaftása	kjaftásana
dative	kjaftás, kjaftási	kjaftásnum	kjaftásum	kjaftásunum
genitive	kjaftáss	kjaftássins	kjaftása	kjaftásanna

dat -/i; barón (“baron”); also dívan (“divan”) (dat pl dívönum), dósent (“assistant professor”), kalkún (“turkey”) (more commonly kalkúnn or kalkúni), kumpán (“comrade, buddy”) (also kompán; more commonly kumpáni), soldán (“sultan”), sópran (“soprano”) (dat pl sóprönum), stúdent (“student”), tangens (“tangent”), tendens (“tendency”)

Declension of barón (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	barón	baróninn	barónar	barónarnir
accusative	barón	baróninn	baróna	barónana
dative	barón	baróninum	barónum	barónunum
genitive	baróns	barónsins	baróna	barónanna

dat -/i, sg-only; saffran (“saffron”) (also safran (“same, proscribed”); more commonly neuter)

Declension of saffran (sg-only masculine)

	singular
	indefinite	definite
nominative	saffran	saffraninn
accusative	saffran	saffraninn
dative	saffran	saffraninum
genitive	saffrans	saffransins

dat -/i:-; ananas (“pineapple”) (dat pl ananösum)

Declension of ananas (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ananas	ananasinn	ananasar	ananasarnir
accusative	ananas	ananasinn	ananasa	ananasana
dative	ananas	ananasinum, ananasnum	ananösum	ananösunum
genitive	ananass	ananassins	ananasa	ananasanna

dat -/-; kompás (“compass”), kósínus (“cosine”), sínus (“sine”)

Declension of kompás (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kompás	kompásinn	kompásar	kompásarnir
accusative	kompás	kompásinn	kompása	kompásana
dative	kompás	kompásnum	kompásum	kompásunum
genitive	kompáss	kompássins	kompása	kompásanna

dat -/-, sg-only; kandís (“sugar candy”), maís (“corn, maize”), spíritus (“spirit, alcohol”)

Declension of kandís (sg-only masculine)

	singular
	indefinite	definite
nominative	kandís	kandísinn
accusative	kandís	kandísinn
dative	kandís	kandísnum
genitive	kandíss	kandíssins

dat -/-, sg-only; selsíus (“Celsius”)

Declension of selsíus (sg-only masculine)

	singular
	indefinite	definite
nominative	selsíus	selsíusinn
accusative	selsíus	selsíusinn
dative	selsíus	selsíusnum
genitive	selsíus, selsíusar, selsíuss	selsíusins, selsíusarins, selsíussins

dat -/-, sg-only, proscribed; Celsíus (“Celsius”)

Declension of Celsíus (sg-only masculine)

	singular
	indefinite	definite
nominative	Celsíus	Celsíusinn
accusative	Celsíus	Celsíusinn
dative	Celsíus	Celsíusnum
genitive	Celsíus, Celsíusar, Celsíuss	Celsíusins, Celsíusarins, Celsíussins

proper nouns

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dat -/i; Satan (“Satan”) (dat pl Satönum; also satan (“proscribed”))

Declension of Satan (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Satan	Sataninn	Satanar	Satanarnir
accusative	Satan	Sataninn	Satana	Satanana
dative	Satan	Sataninum	Satönum	Satönunum
genitive	Satans	Satansins	Satana	Satananna

dat -; Júpíter (“Jupiter (planet; Roman god)”) (Júpiter (“same, proscribed”))

Declension of Júpíter (sg-only masculine)

indefinite singular
nominative	Júpíter
accusative	Júpíter
dative	Júpíter
genitive	Júpíters

dat -; Plútó (“Pluto (planet; Roman god)”); dat- is the default for stems ending in a vowel

Declension of Plútó (sg-only masculine)

indefinite singular
nominative	Plútó
accusative	Plútó
dative	Plútó
genitive	Plútós

FIXME: pp. 58-60 in Thomson

words in -ll (not preceded by a/i/u)

common nouns

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NOTE: Defaults to dat-/- when not a proper name.
dat -/-; bíll (“car”); gen sg bíls; also: aðmíráll (“admiral”), áll (“eel”), annáll (“annal, yearbook”), díll (“mark, stain; (colloquial) deal”), fíll (“elephant”), gúll (“oral cavity”), kjóll (“dress”), konsúll (“consul”), magáll (“tripe”), makríll (“mackerel”), múll (“muzzle; mule”), panell (“paneling”) (rarely also panill), píll (“willow (archaic)”), póll (“pole”), stíll (“style; theme, essay”), vefstóll (“loom”)

Declension of bíll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bíll	bíllinn	bílar	bílarnir
accusative	bíl	bílinn	bíla	bílana
dative	bíl	bílnum	bílum	bílunum
genitive	bíls	bílsins	bíla	bílanna

dat-/-, sg-only; skríll (“mob, rabble”)

Declension of skríll (sg-only masculine)

	singular
	indefinite	definite
nominative	skríll	skríllinn
accusative	skríl	skrílinn
dative	skríl	skrílnum
genitive	skríls	skrílsins

dat-:i/-; hvoll (“hill”), kokkáll (“cuckold”), páll (“spade, pointed shovel”), þræll (“slave”)

Declension of hvoll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hvoll	hvollinn	hvolar	hvolarnir
accusative	hvol	hvolinn	hvola	hvolana
dative	hvol, hvoli	hvolnum	hvolum	hvolunum
genitive	hvols	hvolsins	hvola	hvolanna

dat-:i[footnote]/-; hóll (“hill”)

Declension of hóll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hóll	hóllinn	hólar	hólarnir
accusative	hól	hólinn	hóla	hólana
dative	hól, hóli¹	hólnum	hólum	hólunum
genitive	hóls	hólsins	hóla	hólanna

¹Rare except in place names.

dat-:i[footnote]/-; hæll (“heel”)

Declension of hæll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hæll	hællinn	hælar	hælarnir
accusative	hæl	hælinn	hæla	hælana
dative	hæl, hæli¹	hælnum	hælum	hælunum
genitive	hæls	hælsins	hæla	hælanna

¹Mainly in fixed expressions.

dat-:i[footnote]/-; stóll (“chair”)

Declension of stóll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	stóll	stóllinn	stólar	stólarnir
accusative	stól	stólinn	stóla	stólana
dative	stól, stóli¹	stólnum	stólum	stólunum
genitive	stóls	stólsins	stóla	stólanna

¹Mainly in fixed expressions and compounds.

proper nouns

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NOTE: Defaults to dati when a proper name.
Njáll (male given name); also Ársæll, Páll

Declension of Njáll (sg-only masculine)

indefinite singular
nominative	Njáll
accusative	Njál
dative	Njáli
genitive	Njáls

Þorkell (male given name); has archaic alt dat in -katli, handled automatically; also Áskell, Grímkell, Hallkell, Hrafnkell

Declension of Þorkell (sg-only masculine)

indefinite singular
nominative	Þorkell
accusative	Þorkel
dative	Þorkeli, Þorkatli¹
genitive	Þorkels

¹Archaic.

Declension of Þorkell (sg-only masculine)

indefinite singular
nominative	Þorkell
accusative	Þorkel
dative	Þorkeli, Þorkatli¹
genitive	Þorkels

¹Archaic.

Hóll (place name); also Hvoll

Declension of Hóll (sg-only masculine)

indefinite singular
nominative	Hóll
accusative	Hól
dative	Hóli, Hól
genitive	Hóls

stem ends in -ll

moll (“minor, minor key”)

Declension of moll (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	moll	mollinn	mollar	mollarnir
accusative	moll	mollinn	molla	mollana
dative	moll, molli	mollinum	mollum	mollunum
genitive	molls	mollsins	molla	mollanna

words in -ll (preceded by a/i/u)

common nouns

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NOTE: Most masculine nouns in -all/-ill/-ull contract so this is the default. Use `.-con` to turn off contraction. With contraction, dat i/i is the default.
dati/i; buffall (“buffalo”), gaffall (“fork”) (dat pl göfflum), humall (“hop (plant)”), kaðall (“rope”) (dat pl köðlum), staðall (“standard”) (dat pl stöðlum), þumall (“thumb”) biðill (“suitor”), depill (“point”), ekkill (“widower”), fífill (“dandelion”), flygill (“grand piano”), gerill (“bacterium”), hefill (“plane (tool)”), hemill (“brake”), hnykill (“ball of yarn”), hreyfill (“propeller; motor”), kirtill (“gland; tonsil”), lykill (“key”), meitill (“chisel”), nirfill (“miser”), pensill (“paintbrush”), riffill (“rifle”), seðill (“slip of paper; bank bill”), sendill (“errand boy”), sirkill (“compass (geometry)”), snigill (“snail”), sníkill (“parasite”), spegill (“mirror”), spergill (“asparagus”), sýkill (“pathogen”), titill (“title”), trefill (“scarf”), ventill (“valve”), vindill (“cigar”), víxill (“bill of exchange”), þistill (“thistle”), bödull (“executioner”), böggull (“package”), djöfull (“devil”), heigull (“coward”), glacier, möndull (“axis; axle”), segull (“magnet”), skutull (“harpoon”), söðull (“lady's saddle”), tigull (“rhombus; diamond (cards)”), tígull (“same as previous; much more common”), öngull (“fish hook”), öxull (“axis; axle”)

Declension of þumall (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	þumall	þumallinn	þumlar	þumlarnir
accusative	þumal	þumalinn	þumla	þumlana
dative	þumli	þumlinum	þumlum	þumlunum
genitive	þumals	þumalsins	þumla	þumlanna

dati/i, sg-only; aðall (“nobility, aristocracy”)

Declension of aðall (sg-only masculine)

	singular
	indefinite	definite
nominative	aðall	aðallinn
accusative	aðal	aðalinn
dative	aðli	aðlinum
genitive	aðals	aðalsins

dati/-:i without contraction, dat i/i with contraction; rafall (“generator”) (also rafali; dat pl rafölum without contraction, röflunum with contraction)

Declension of rafall (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	rafall	rafallinn	rafalar, raflar	rafalarnir, raflarnir
accusative	rafal	rafalinn	rafala, rafla	rafalana, raflana
dative	rafali, rafli	rafalnum, rafalinum, raflinum	rafölum, röflum	rafölunum, röflunum
genitive	rafals	rafalsins	rafala, rafla	rafalanna, raflanna

dat-/-, without contraction; kórall (“coral”) (dat pl kórölum), kristall (“crystal”) (cf. kristallur; dat pl kristölum)

Declension of kórall (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kórall	kórallinn	kóralar	kóralarnir
accusative	kóral	kóralinn	kórala	kóralana
dative	kóral	kóralnum	kórölum	kórölunum
genitive	kórals	kóralsins	kórala	kóralanna

dat-/-, sg-only, without contraction; kanill (“cinnamon”) (also kanell)

Declension of kanill (sg-only masculine)

	singular
	indefinite	definite
nominative	kanill	kanillinn
accusative	kanil	kanilinn
dative	kanil	kanilnum
genitive	kanils	kanilsins

NOTE: Thomson claims kórall (“coral”) and kristall (“crystal”) are irregular in having singular stem in -al but plural stem in -all. If this was once the case, it is no longer per BÍN; they just lack contraction. Note umlaut in dat pl kórölum and kristölum.

Declension of kórall (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kórall	kórallinn	kóralar	kóralarnir
accusative	kóral	kóralinn	kórala	kóralana
dative	kóral	kóralnum	kórölum	kórölunum
genitive	kórals	kóralsins	kórala	kóralanna

dati/i; ketill (“ketill”); un-i-mutates when contracted to dat sg katli, nom pl katlar, and then u-mutates in dat pl to kötlum

Declension of ketill (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	ketill	ketillinn	katlar	katlarnir
accusative	ketil	ketilinn	katla	katlana
dative	katli	katlinum	kötlum	kötlunum
genitive	ketils	ketilsins	katla	katlanna

dati/i; Egill (male given name); un-i-mutates when contracted to dat sg Agli; likewise Ketill (male given name), Ketill (place name)

Declension of Egill (sg-only masculine)

indefinite singular
nominative	Egill
accusative	Egil
dative	Agli
genitive	Egils

proper nouns

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dati, with contraction; Vífill (male given name); also Þengill

Declension of Vífill (sg-only masculine)

indefinite singular
nominative	Vífill
accusative	Vífil
dative	Vífli
genitive	Vífils

words in -nn (not preceded by a/i/u)

common nouns

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NOTE: Defaults to dati/i, both common and proper.
dat i/i; fleinn (“spear”)

Declension of fleinn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fleinn	fleinninn	fleinar	fleinarnir
accusative	flein	fleininn	fleina	fleinana
dative	fleini	fleininum	fleinum	fleinunum
genitive	fleins	fleinsins	fleina	fleinanna

; also grammófónn (“phonograph, gramophone (dated)”), hreinn (“reindeer”), kapteinn (“captain”), prjónn (“knitting needle”), steinn (“rock, stone”) (flögusteinn (“slate”), múrsteinn (“brick”), skorsteinn (“chimney”)), sveinn (“boy, young man”), teinn (“rod, rail”), þjónn (“(man)servant; waiter”)

dat i/i, sg-only; daunn (“stink”); also brennisteinn (“sulfur”)

Declension of daunn (sg-only masculine)

	singular
	indefinite	definite
nominative	daunn	daunninn
accusative	daun	dauninn
dative	dauni	dauninum
genitive	dauns	daunsins

dat i:-/i; húnn (“knob”); also tónn (“tone (music)”)

Declension of húnn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	húnn	húnninn	húnar	húnarnir
accusative	hún	húninn	húna	húnana
dative	húni, hún	húninum	húnum	húnunum
genitive	húns	húnsins	húna	húnanna

dat i:-/i, sg-only; dúnn (“down (feathers)”)

Declension of dúnn (sg-only masculine)

	singular
	indefinite	definite
nominative	dúnn	dúnninn
accusative	dún	dúninn
dative	dúni, dún	dúninum
genitive	dúns	dúnsins

proper nouns

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dat i/i; Sveinn (male given name); also Beinteinn, Bergsveinn, Hreinn, Kolbeinn, Marteinn, Steinn (Aðalsteinn, Bergsteinn, Eysteinn, Freysteinn, Friðsteinn, Gunnsteinn, Hafsteinn, Hallsteinn, Hersteinn, Hólmsteinn, Jósteinn, Sigursteinn, Unnsteinn, Vésteinn, Þorsteinn)

Declension of Sveinn (sg-only masculine)

indefinite singular
nominative	Sveinn
accusative	Svein
dative	Sveini
genitive	Sveins

words in -nn (preceded by a/i/u)

himinn (“sky, heaven”), etc. All or most masculine nouns in -ann/-inn/-unn contract so this is the default. Also: aftann (“evening”) (note dat pl öftnum), arinn (“hearth, fireplace”) (note dat pl örnum), drottinn (“lord”), jötunn (“giant”), morgunn (“morning”); given names such as Kristinn (“Christian”), Óðinn (“Odin”), Þórarinn (given name)

Declension of himinn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	himinn	himinninn	himnar	himnarnir
accusative	himin	himininn	himna	himnana
dative	himni	himninum	himnum	himnunum
genitive	himins	himinsins	himna	himnanna

words in -ó

acc/dat -, gen variously -s or -, nom acc dat gen pl -ar -a -um -a
strætó (“city bus”), næturstrætó (“night bus”)

Declension of strætó (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	strætó	strætóinn	strætóar	strætóarnir
accusative	strætó	strætóinn	strætóa	strætóana
dative	strætó	strætónum	strætóum	strætóunum
genitive	strætós, strætó	strætósins, strætóins	strætóa	strætóanna

Strætó (company name)

Declension of Strætó (sg-only masculine)

indefinite singular
nominative	Strætó
accusative	Strætó
dative	Strætó
genitive	Strætós, Strætó

gaggó (“junior high, middle school”)

Declension of gaggó (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	gaggó	gaggóinn	gaggóar	gaggóarnir
accusative	gaggó	gaggóinn	gaggóa	gaggóana
dative	gaggó	gaggónum	gaggóum	gaggóunum
genitive	gaggó	gaggóins	gaggóa	gaggóanna

menntó (“senior high, gymnasium”) (behaves like a proper noun)

Declension of menntó (sg-only masculine)

indefinite singular
nominative	menntó
accusative	menntó
dative	menntó
genitive	menntó

Kennó (“the Teachers' College”) (from Kennaraskóla), Astró (“?”), Borgó (“?”) (from Borgarholtsskóla), Bríó (“?”), Foldó (“?”) (from Foldaskóla), Hafró (“?”) (from Hafrannsóknastofnun (“Marine Research Institute”) of Norway), Hagó (“?”) (from Hagaskóla), Húsó (“?”) (company name), Kvennó (“?”) (from Kvennaskóla), Meló (“?”) (from Melaskóla), Menntó (“?”) (from Menntaskóla), Tónó (“?”) (from Tónlistarskóla), Való (from Valhúsaskóla), Versló (company name)/Verzló (company name) (from Verslunarskóla Íslands (“Iceland Business School”))

Declension of Kennó (sg-only masculine)

indefinite singular
nominative	Kennó
accusative	Kennó
dative	Kennó
genitive	Kennó

Bjössaróló (“?”), Bó (“nickname”), Bóbó (“nickname”), Brúnó (“male given name”), Dittó (“male given name”), Dúmbó (“?”), Erró (“artist's name”), Eyjó (“nickname”), Filpó (“male given name”), Fígaró (“company name”), Galíleó (“Galileo”), Harbó (“male given name”), Húgó (“male given name”), Ingó (“nickname”), Jagó (“Iago?”), Kató (“male given name”), Keikó (“?”), Kristó (“nickname”), Leó (“male given name”), Leónardó (“Leonardo (da Vinci)”), Marinó (“male given name”), Marínó (“male given name”), Markó (“male given name”), Mekkinó (“male given name”), Míó (“male given name”), Nemó (“Nemo”), Neró (“Nero”), Nýló (“?”) (from Nýlistasafn (“Museum of Contemporary Art”)), Októ (“male given name”), Ottó (“male given name”), Plató (“Plato; male given name”), Plútó (“Pluto (planet, Roman god)”), Rambó (“Rambo”), Rómeó (“Romeo”), Teó (“male given name”), Theó (“male given name”), Tító (“Tito”), Varnó (“male given name”), Viggó (“male given name”), Óþelló (“Othello”)

Declension of Bjössaróló (sg-only masculine)

indefinite singular
nominative	Bjössaróló
accusative	Bjössaróló
dative	Bjössaróló
genitive	Bjössarólós

Sigló (from Siglufjörður) [NOT IN BÍN]
bóleró (“?”), róló (“playground”) (either masculine or neuter), evró (“Euro (dated)”), faraó (“pharaoh”), kanó (“canoe”), kímonó (“kimono”), kæró (“? (informal)”) (also feminine and neuter), leó (“lion? (archaic)”), mambó (“mambo?”), pesó (“peso”) (informal; correctly but rarely pesi), pikkóló (“piccolo”), pusjó (“?”), síseró (“?”), sleikjó (“lollipop”)

Declension of bóleró (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bóleró	bóleróinn	bóleróar	bóleróarnir
accusative	bóleró	bóleróinn	bóleróa	bóleróana
dative	bóleró	bólerónum	bóleróum	bóleróunum
genitive	bólerós	bólerósins	bóleróa	bóleróanna

sóló (“solo”) (also feminine, neuter)

Declension of sóló (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	sóló	sólóinn	sólóar	sólóarnir
accusative	sóló	sólóinn	sólóa	sólóana
dative	sóló, sólói	sólónum, sólóinum	sólóum	sólóunum
genitive	sólós	sólósins	sólóa	sólóanna

tangó (“tango”)

Declension of tangó (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	tangó	tangóinn	tangóar	tangóarnir
accusative	tangó	tangóinn	tangóa	tangóana
dative	tangó, tangói¹	tangónum, tangóinum¹	tangóum	tangóunum
genitive	tangós	tangósins	tangóa	tangóanna

¹Rare.

NOTE: Some nouns in -ó are not masculine (it depends on what the noun was clipped from), but these are all masculine.