Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
empegar
←
Occitan
en
(confix)
←
Occitan
pega
(confix)
←
Occitan
ar
(confix)
→
French
empéguer
(mention)