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