Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese chato
Ancient Greek πλατύς (derived)
Portuguese prato (doublet)

Spanish chato (cognate)
Portuguese prato (doublet)
Portuguese chatear (suffix)
Portuguese prata (mention)
Portuguese achatar (affix)
Portuguese tacho (mention)
Portuguese chatice (affix)