Yakut буол

← Southern Altai болор (cognate)

← Azerbaijani olmaq (cognate)

← Bashkir булыу (cognate)

← Crimean Tatar olmaq (cognate)

← Chuvash пулма (cognate)

← Khakas поларға (cognate)

← Kazakh болу (cognate)

← Kyrgyz болуу (cognate)

← Old Turkic 𐰉𐰆𐰞 (cognate)

← Turkmen bolmak (cognate)

← Turkish olmak (cognate)

← Proto-Turkic *bōl- (inherited)

← Tuvan болур (cognate)

← Uyghur بولماق (cognate)

← Uzbek boʻlmoq (cognate)

→ Southern Altai болор (cognate)

→ Old Turkic 𐰉𐰆𐰞 (cognate)