Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English Decameron
Ancient Greek δέκᾰ (derived)
Ancient Greek ἡμέρᾱ (mention)
Italian Decameron (borrowed)

English Decameronic (affix)
English Decameronian (affix)
English Decameronesque (affix)