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

→ English rook (derived)
→ Assamese কইৰ (inherited)
→ Faroese rókur (derived)
→ Early Assamese কৈৰা (inherited)
→ Sanskrit कृकर (inherited)