Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Ancient Greek πέτηλος
Ancient Greek πετάννῡμι (mention)
Ancient Greek πέτασος (mention)
Ancient Greek πέταλον (mention)
Proto-Indo-European *peth₂- (root)
Proto-Indo-European *peth₂- (derived)