Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English Etnean
English Etna (affix)
English -ean (affix)
Ancient Greek Αἰτναῖος (derived)
Ancient Greek Αἴτνη (affix)
Ancient Greek -αῖος (affix)
Latin Aetnaeus (borrowed)

English Etna (link)