Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Greek υδρο-
← Ancient Greek ὕδωρ (derived)

→ Greek υδρόμελι (affix)
→ Greek υδροπτέρυγο (affix)
→ Greek υδροπέπων (affix)