Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *reh₁t-

→ English rood (root)
→ English rood (mention)
→ English radiole (root)
→ English radiole (derived)
→ Latin radius (derived)
→ Old Armenian առիք (inherited)
→ Old Armenian արդն (inherited)