Appendix:Terminology differences between Indonesian and Standard Malay (R)

Main article: Appendix:Indonesian–Standard Malay relations

English	Topics	Translation in Indonesian	Translation in Standard Malay	Notes
rabbit	zoology	kêlinci	arnab
racehorse		kuda pacu	kuda lumba
racism	anthropology	rasismê, rasialismê	perkauman
radiation	physics	radiasi	sinaran
radioactive decay	physics	pêluruhan radioaktif	reputan radioaktif
random		acak	rawak
range	statistics	rêntang	julat
rape (act of forcing sexual activity)	mathematics	pemerkosaan, perkosaan	rogol
rate	mathematics	angka	kadar
rating		pemeringkatan	pengkadaran
ratio	mathematics	rasio	nisbah
rational number	mathematics	bilangan rasional	nombor nisbah
reaction	chemistry	réaksi	tindak balas
reaction force	mechanics	gaya réaksi	daya tindak balas
readjustment		penyesuaian kembali	pelarasan semula
real account	accounting	akun riil	akaun benar
real image	physics	bayangan nyata	imej sahih
real number	mathematics	bilangan riil	nombor nyata
realizability		kelaikan, kelayakan	kebolehlaksanaan, kemungkinan
reasonable		wajar	munasabah
reasoning	logics	pênalaran	penaakulan
recession	economics	resesi	kemelesetan
reclamation	civil engineering	reklamasi	tambakan
record (verb)		catat	rekod
record (noun)	business	catatan	rekod
recreational drugs	pharmacy	narkoba	dadah
recruitment		rekrutmen; perekrutan	perekrutan
rectangle, rectangular	geometry	persegi panjang	segiempat tepat
rectifier	electrical engineering	pênyêarah	penerus
redevelopment		pembangunan kembali	pembangunan semula
redistribution		redistribusi; pembagian kembali	pengagihan semula
reduction	chemistry	réduksi	penurunan
reduction	mathematics	pênyêdêrhanaan	penurunan
redundancy		rédundansi	kelewahan
reengineering	engineering	rekayasa ulang	rekayasa semula
refinery (building used to produce refined products)	engineering	kilang	loji penapis
reflector	physics	reflektor	pemantul
reforestation	forestry	penghutanan kembali, reboisasi, reforestasi	penghutanan semula
refracted ray	physics	sinar bias	sinar biasan
refresher	education	penyegaran	ulangkaji
refugee	politics	pêngungsi	pelarian
regional (global continental region)	geography	régional, kawasan	serantau
regular (constant pattern)		régulèr, têratur, têtap	sekata
regular polygon	geometry	poligon teratur	poligon sekata
regulation (mechanism controlling DNA transcription)	cytology	regulasi	pengawalaturan
regulation (the act of regulating or the condition of being regulated)		pengaturan	pengawalan
regulatory		pêngaturan	kawal atur
rehabilitation		rehabilitasi	pemulihan
reinforced concrete	civil engineering	beton bertulang	konkrit bertetulang
reinventing		penciptaan kembali	penciptaan semula
reinvention		penciptaan kembali	penciptaan semula
relay	engineering	rêlai	geganti
relay race	sport	èstafèt	lumba berganti-ganti
relevance		rélêvansi	kerelevanan
reliability		keandalan, keterandalan, reliabilitas	keandalan, kebolehpercayaan, kereliabelan
reliance		keandalan	pergantungan
relief valve	mechanical engineering	katup pêlêpas	injap pelepas
relocation		relokasi	penempatan semula
remainder	accounting	sisa	baki
remand (pre-trial detention)	law	pênahanan	réman
renal replacement therapy	medicine	terapi pengganti ginjal	terapi gantian renal
repeal	law	pencabutan, pembatalan hukum	pemansuhan
reproduction	physiology	reproduksi	pembiakan
reproduction rate	demography	angka reproduksi	kadar pembiakan
repressor	biology	represor	perencat
requirement		kebutuhan; keperluan	keperluan
research		penelitian	penyelidikan
reservation		pemesanan, reservasi	tempahan
reserve		cadangan	rizab
residual stress	civil engineering	tegangan sisa	tegasan sisa
residue	science	residu	baki
resistance	microbiology	résistansi	kerintangan
resistance	physics	résistans, hambatan	rintangan
resistant	engineering	tahan	kalis
resistor	physics	résistor	perintang
reskilling	education	penyegaran keterampilan	pemahiran semula
resolution of force	mechanics	pênguraian gaya	leraian daya
resource		sumber daya	sumber
response	biology	réspons	gerak balas
rest		istirahat	rehat
rest area		tempat istirahat	kawasan rehat
restriction mapping	biology	peta restriksi	peta penyekatan
resultant force	mechanics	résultan gaya	daya paduan
retail	business	ècèran	runcit
retailer	business	pêngècèr	peruncit
retirement (the state of having permanently left one's employment)	business	pensiun	persaraan
retreat (period of meditation, prayer, or study)		rètrèt	pemukiman
return on investment	finance	balik modal, pengembalian investasi	pulangan pelaburan
return premium	finance	premi kembalian	pemulangan premium
reverse-bias (of transistor)	electronics	bias mundur	pincang balikan
review		tinjauan	ulasan
revision		révisi	sémakan
reward	business	hadiah	ganjaran
rhombus	geometry	bêlah kêtupat	rombus
right to vote	politics	hak suara	hak mengundi
rigid body	mechanics	benda tegar	jasad tegar
rigid frame	civil engineering	rangka kaku	kerangka tegar
road marking	civil engineering	markah jalan	tanda jalan
robber		pêrampok	perompak
rod		batang	rod
rolling terrain	civil engineering	medan berbukit	rupa bumi beralun
root	mathematics	akar	punca
rotation		rotasi	putaran
roundabout	civil engineering	bundaran	bulatan
rubber	chemical engineering	karèt	getah
runoff (portion of precipitation or irrigation which does not infiltrate)	geology	limpasan	larian
runway (strip for airplanes to land on or take off from)	aviation	landasan pacu	landasan terbang
rule (a determinate method prescribed for performing any operation and producing a certain result)	mathematics	kaidah	petua
ruler (measuring or drawing device)	science	penggaris	pembaris
rural area	geography	daerah perdesaan	kawasan luar bandar