Proto-Turkic *boĺ

→ Southern Altai бош (inherited)

→ Azerbaijani boş (inherited)

→ Bashkir буш (derived)

→ Bashkir бушаҡ (derived)

→ Dolgan боско (inherited)

→ Persian پوچ (borrowed)

→ Hungarian búcsú (derived)

→ Hungarian bocsánat (derived)

→ Hungarian bocsát (mention)

→ Krymchak бош (inherited)

→ Kazakh бос (inherited)

→ Karachay-Balkar бош (inherited)

→ Kumyk бош (inherited)

→ Ottoman Turkish بوش (inherited)

→ Yakut босхо (inherited)

→ Turkish boş (inherited)

→ Uyghur بوشلۇق (derived)

→ Uzbek boʻsh (inherited)

→ Karakhanid بُشْ (inherited)