Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese fator
Proto-Indo-European *dʰeh₁- (derived)
Latin factor (borrowed)
Latin factus (mention)
Latin faciō (mention)
Portuguese feitor (doublet)

Portuguese feitor (doublet)
Portuguese cofator (prefix)
Portuguese fatorar (affix)