Polish bliźniak

← Bulgarian близна́к (cognate)

← Polish bliźni (suffix)

← Polish ak (suffix)

← Russian близне́ц (cognate)

← Serbo-Croatian blizanac (cognate)

← Proto-Slavic *bliznьcь (mention)

→ Polish bliźni (link)

→ Polish bliźniaczy (affix)

→ Russian близнец (cognate)

→ Serbo-Croatian blizanac (cognate)