Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
-ato
←
Latin
-atūs
(borrowed)
←
Latin
-ātum
(mention)
←
Portuguese
-ado
(doublet)
→
Portuguese
-ado
(doublet)
→
Portuguese
antimoniato
(affix)
→
Portuguese
artesanato
(affix)
→
Portuguese
voivodato
(affix)
→
Portuguese
acolitato
(affix)
→
Portuguese
empregatício
(mention)
→
Portuguese
estrelato
(affix)