Proto-Indo-European *swoyos

→ Belarusian свой (inherited)

→ Bulgarian свой (inherited)

→ Czech svůj (inherited)

→ Fala sei (inherited)

→ Indo-Portuguese su (derived)

→ Macedonian свој (derived)

→ Russian свой (inherited)

→ Serbo-Croatian svoj (mention)

→ Serbo-Croatian свој (derived)

→ Slovak svoj (inherited)

→ Ukrainian свій (derived)