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

→ Catalan hidrografia (affix)
→ Catalan hidròfob (affix)
→ Catalan hidrofòbia (affix)
→ Catalan decahidronaftalè (affix)
→ Catalan tetrahidronaftalè (affix)
→ Catalan hidroelèctric (affix)