Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
roignon
←
Old French
rognon
(inherited)
←
Old French
roignon
(mention)
←
Latin
ren
(inherited)
→
French
rognon
(mention)