Proto-Slavic *vydra

→ Belarusian выдра (inherited)

→ Bulgarian видра (inherited)

→ Czech vydra (inherited)

→ Lower Sorbian wudra (inherited)

→ Greek βίδρα (derived)

→ Ancient Greek ἔνυδρις (cognate)

→ Upper Sorbian wudra (inherited)

→ Hungarian vidra (derived)

→ Lithuanian ūdra (cognate)

→ Latvian ūdrs (mention)

→ Macedonian видра (inherited)

→ Polish wydra (inherited)

→ Romanian vidră (derived)

→ Romanian Vidrasău (derived)

→ Russian выдра (inherited)

→ Serbo-Croatian видра (inherited)

→ Serbo-Croatian vidra (inherited)

→ Slovak vydra (inherited)

→ Slovene vidra (inherited)

→ Ukrainian видра (inherited)