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

→ Azerbaijani köpük (derived)
→ Bashkir күбек (derived)
→ Kazakh көбік (derived)
→ Kumyk гёбюк (derived)
→ Mongolian хөөх (derived)
→ Ottoman Turkish كوپك (inherited)
→ Turkish köpük (derived)