Synonyms of brother

1 Syllable
cuz, kin, monk, friars, man, twin, gent, pal, friar, guy, bro, men, pals, messrs
2 Syllables
nephew, sibling, cobber, homie, uncle
3 Syllables
amigo, kinsperson, homeboy, relation, homegirl
4 Syllables
relative, anchorite, eremite