борець

Ukrainian

Ukrainian Wikipedia has an article on:

борець

боре́ць • (borécʹ) m pers (genitive борця́, nominative plural борці́, genitive plural борці́в, feminine борчи́ня, relational adjective борці́вський or боре́цький)

(chiefly sports) wrestler
fighter, struggler (one who fights to achieve a goal)
боре́ць за свобо́ду ― borécʹ za svobódu ― freedom fighter

Declension of боре́ць (pers soft masc-form accent-b reduc)

	singular	plural
nominative	боре́ць borécʹ	борці́ borcí
genitive	борця́ borcjá	борці́в borcív
dative	борце́ві, борцю́ borcévi, borcjú	борця́м borcjám
accusative	борця́ borcjá	борці́в borcív
instrumental	борце́м borcém	борця́ми borcjámy
locative	борце́ві, борцю́, борці́ borcévi, borcjú, borcí	борця́х borcjáx
vocative	борцю́ borcjú	борці́ borcí

^ Avanesov, R. I., editor (1988), “борьць”, in Словарь древнерусского языка (XI–XIV вв.): в 10 т. [Dictionary of the Old Russian Language (11ᵗʰ–14ᵗʰ cc.): in 10 vols] (in Russian), volume 1 (а – възаконѧтисѧ), Moscow: Russian Lang., →ISBN, page 299

Bilodid, I. K., editor (1970–1980), “борець”, in Словник української мови: в 11 т. [Dictionary of the Ukrainian Language: in 11 vols] (in Ukrainian), Kyiv: Naukova Dumka
Hrynchyshyn, D. H., editor (1996), “борець”, in Словник української мови XVI – 1-ї пол. XVII ст. [Dictionary of the Ukrainian Language of 16ᵗʰ – 1ˢᵗ half of 17ᵗʰ c.] (in Ukrainian), numbers 3 (богъ – весъной), Lviv: KIUS, →ISBN, page 30
Rusanivskyi, V. M., editor (2010), “борець”, in Словник української мови: у 20 т. [Dictionary of the Ukrainian Language: in 20 vols] (in Ukrainian), volumes 1 (а – бязь), Kyiv: Naukova Dumka, →ISBN
A. Rysin, V. Starko, Yu. Marchenko, O. Telemko, et al. (compilers, 2007–2022), “борець”, in Russian-Ukrainian Dictionaries
A. Rysin, V. Starko, et al. (compilers, 2011–2020), “борець”, in English-Ukrainian Dictionaries
“борець”, in Горох – Словозміна [Horokh – Inflection] (in Ukrainian)
“борець”, in Kyiv Dictionary (in English)
“борець”, in Словник.ua [Slovnyk.ua] (in Ukrainian)