Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician po
Spanish polvo (cognate)
Galician polvo (doublet)
Proto-Indo-European *pel- (derived)
Latin *pulvus (mention)
Latin pulvis (inherited)
Portuguese (cognate)
Old Portuguese poo (inherited)

Galician poalla (suffix)
Portuguese (cognate)