Russian кость

← English coast (mention)

← English costa (mention)

← Proto-Indo-European *kost- (inherited)

← Proto-Indo-European *h₃ost- (mention)

← Proto-Slavic *kostь (inherited)

→ English Koschei (link)

→ Belarusian косць (cognate)

→ Russian костыль (mention)

→ Russian косточка (affix)

→ Russian костяшка (affix)

→ Russian костный (affix)

→ Russian костлявый (affix)

→ Russian костяной (affix)

→ Russian Кощей (mention)

→ Russian костлявая (affix)

→ Russian костистый (affix)