Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Spanish auténtico
Ancient Greek αὐθεντικός (derived)
Ancient Greek αὐθέντης (mention)
Ancient Greek αὐτός (mention)

Spanish autenticidad (suffix)
Spanish autentificar (affix)
Spanish auténticamente (affix)