Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
Guyon
←
Middle French
Guy
(mention)
←
Middle French
Guion
(alter)
←
Old French
Guion
(inherited)
→
French
Guyon
(inherited)