Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese ato
← Latin actus (derived)
← Latin agere (mention)
← Portuguese auto (doublet)

→ Portuguese auto (doublet)
→ Portuguese campeonato (suffix)
→ Portuguese fosfato (suffix)
→ Portuguese anonimato (suffix)
→ Portuguese assassinato (suffix)
→ Portuguese orfanato (suffix)
→ Portuguese fosfonato (suffix)
→ Portuguese sultanato (suffix)
→ Portuguese bacharelato (suffix)
→ Portuguese anteato (affix)