Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Turkic *oy-

→ Southern Altai ойын (inherited)
→ Southern Altai ойынчык (inherited)
→ Azerbaijani oyun (inherited)
→ Bashkir уйынсыҡ (inherited)
→ Kazakh ойын (inherited)
→ Kazakh ойыншық (inherited)
→ Kumyk оюн (inherited)
→ Tuvan оюн (inherited(tyv/ky))
→ Tuvan оюн (inherited)