Proto-Indo-European *krek-

→ English roe (derived)

→ English reel (derived)

→ Old English hrægl (derived)

→ German Rogen (derived)

→ Faroese rókur (mention)

→ Faroese rogn (derived)

→ French rogue (derived)

→ Westrobothnian ramm (inherited)

→ Westrobothnian rɑmm (derived)

→ Ancient Greek κρόκη (derived)

→ Icelandic hráki (derived)

→ Icelandic hrogn (inherited)

→ Latvian krāce (derived)

→ Norwegian Bokmål rogn (derived)

→ Norwegian Nynorsk rogn (inherited)

→ Serbo-Croatian kresati (derived)

→ Swedish rom (derived)