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

→ Finnish -ko (derived)
→ Ingrian kuka (inherited)
→ Ingrian ku (derived)
→ Komi-Zyrian кор (derived)
→ Komi-Zyrian кыдз (derived)