Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
aire
←
Latin
āēr
(inherited)
→
Occitan
viatjaire
(suffix)
→
Occitan
crompaire
(suffix)
→
Occitan
cantaire
(suffix)