Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese legal
Latin lēgālis (borrowed)
Latin lēx (mention)
Portuguese leal (doublet)

Portuguese ilegal (affix)
Portuguese legalizar (suffix)
Portuguese leal (doublet)
Portuguese legalmente (suffix)
Portuguese legalidade (affix)
Portuguese antilegal (affix)