Proto-Turkic *kȫk

→ Azerbaijani göy (inherited)

→ Azerbaijani göyərçin (mention)

→ Azerbaijani göyəm (derived)

→ Bashkir күк (inherited)

→ Bashkir күгәрсен (mention)

→ Bashkir күгәүен (derived)

→ Shor кӧк (inherited)

→ Crimean Tatar kök (inherited)

→ Chuvash кӑвак (inherited)

→ Hungarian kikerics (derived)

→ Kazakh көк (inherited)

→ Kumyk гёк (inherited)

→ Kumyk кёк (inherited)

→ Kyrgyz көк (inherited)

→ Mongolian хөх (cognate)

→ Ottoman Turkish گوك (inherited)

→ Old Turkic 𐰚𐰇𐰚 (inherited)

→ Yakut күөх (inherited)

→ Turkmen gök (inherited)

→ Turkish gök (inherited)

→ Turkish كوك (inherited(tr/chg))

→ Tatar күк (inherited)

→ Uyghur көк (inherited)

→ Uyghur كۆك (inherited)