Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek πέκω
Proto-Indo-European *peḱ- (derived)
Latin pectō (cognate)

English fight (cognate)
Arabic فقوس (derived)
Ancient Greek πόκος (affix)
Ancient Greek πεκτέω (mention)
Latin pecto (cognate)