Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Serbo-Croatian ptica
Greek φτερό (cognate)
Greek πτηνό (mention)
English feather (cognate)
English pen (mention)
English pterodactyl (mention)
English archæopteryx (mention)
Ancient Greek πέτομαι (cognate)
Ancient Greek πτέρυξ (mention)
Proto-Indo-European *peth₂- (mention)
Latin petō (cognate)
Proto-Slavic *pъtica (inherited)