Proto-Slavic *solvьjь

→ Belarusian салавей (inherited)

→ Bulgarian славей (inherited)

→ Czech slavík (derived)

→ Lower Sorbian syłoj (inherited)

→ Upper Sorbian sołobik (inherited)

→ Macedonian славеј (inherited)

→ Polish słowik (inherited)

→ Polish Sołowij (mention)

→ Russian соловей (inherited)

→ Serbo-Croatian slavuj (inherited)

→ Serbo-Croatian славуј (inherited)

→ Ukrainian соловей (inherited)