Proto-Turkic *kün

→ Southern Altai кӱн (inherited)

→ Azerbaijani gün (inherited)

→ Bashkir көн (inherited)

→ Crimean Tatar kün (inherited)

→ Chuvash кун (inherited)

→ Dolgan күн (inherited)

→ Kazakh күн (inherited)

→ Kyrgyz күн (inherited)

→ Ottoman Turkish گون (inherited)

→ Yakut күн (inherited)

→ Turkmen gün (inherited)

→ Turkish gün (inherited)

→ Turkish gün (inherited)

→ Tuvan хүн (inherited)

→ Uzbek kun (inherited)

→ Uzbek кӱн (inherited(uz/kjh))

→ Uzbek кюн (inherited(uz/krc))

→ Uzbek көн (inherited(uz/tt))

→ Uzbek كۈن (inherited(uz/ug))

→ Bulgar كُوَان (inherited)

→ Bulgar χων (inherited)