Proto-Turkic *kul

→ Bashkir ҡол (inherited)

→ Khakas хул (inherited)

→ Kazakh құл (inherited)

→ Ottoman Turkish قول (derived)

→ Yakut кулут (derived)

→ Turkish kul (derived)

→ Old Anatolian Turkish قل (inherited)

→ Uyghur قۇل (inherited)

→ Uzbek qul (inherited)