Proto-Slavic *pustyni

→ Belarusian пустыня (inherited)

→ Bulgarian пустиня (inherited)

→ Czech pustina (inherited)

→ Old Church Slavonic поустꙑни (inherited)

→ Macedonian пустина (inherited)

→ Polish pustynia (inherited)

→ Romanian pustiu (derived)

→ Romanian pustnic (derived)

→ Russian пустыня (inherited)

→ Aromanian pustilii (derived)

→ Serbo-Croatian пустиња (inherited)

→ Serbo-Croatian pustinja (inherited)

→ Slovene pustinja (inherited)

→ Ukrainian пустиня (inherited)