Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
couille
←
Old French
coille
(inherited)
←
Latin
cōleus
(inherited)
→
French
couille
(inherited)
→
Middle French
couillon
(suffix)
→
Middle French
couillette
(suffix)