Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
rudejar
←
French
rudoyer
(cognate)
←
Occitan
rude
(affix)
←
Occitan
-ejar
(affix)