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 -πετής
Ancient Greek πίπτω (mention)
Ancient Greek πέτομαι (mention)
Ancient Greek πετᾰ́ννῡμῐ (mention)
Ancient Greek -ής (mention)
Proto-Indo-European *peth₂- (derived)

Greek -πετής (inherited)
Ancient Greek διοπετής (affix)
Ancient Greek γονυπετής (affix)
Ancient Greek διιπετής (affix)