Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
ouyr
←
Old French
oir
(inherited)
←
Latin
audio
(inherited)
→
French
ouïr
(inherited)
→
Middle French
ouy
(mention)