Bulgarian вуйчо

← Russian вуй (cognate)

← Russian уй (mention)

← Serbo-Croatian ујак (cognate)

← Serbo-Croatian ujak (mention)

← Serbo-Croatian ујко (mention)

← Serbo-Croatian ujko (mention)

← Slovak ujo (cognate)

← Slovene ujac (cognate)

← Proto-Slavic *ujь (derived)

← Ukrainian вуй (cognate)

→ Russian уй (cognate)