Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₂leg-

→ Ancient Greek ἄλγος (root)
→ Ancient Greek ἄλγος (derived)
→ Ancient Greek ἀλέγω (root)
→ Ancient Greek ἀλέγω (derived)
→ Latin religio (root)
→ Latin religio (derived)