Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
fortalecer
←
Old Occitan
fortalessa
(derived)
←
Portuguese
[[fortaleza|fortal(eza)]]
(affix)
←
Portuguese
-ecer
(affix)
→
Portuguese
fortalecimento
(suffix)