Proto-Slavic *zorkъ

→ Belarusian зрок (derived)

→ Bulgarian зрак (inherited)

→ Czech zrak (inherited)

→ Old Church Slavonic зракъ (inherited)

→ Macedonian зрак (inherited)

→ Polish wzrok (inherited)

→ Russian зрак (derived)

→ Russian зорок (inherited)

→ Serbo-Croatian zrak (inherited)

→ Serbo-Croatian зрак (inherited)

→ Slovak zrak (inherited)

→ Slovene zrak (inherited)