Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latin separatio
Latin sēparō (affix)
Latin -tiō (affix)

English separation (derived)
Catalan separació (borrowed)
Czech separace (borrowed)
Spanish separación (borrowed)
French séparation (borrowed)
Galician separación (borrowed)
Italian separazione (borrowed)
Swedish separation (derived)