Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
estre
←
Old French
estre
(inherited)
←
Old French
ester
(inherited)
←
Latin
sum
(inherited)
←
Latin
stō
(inherited)
→
French
être
(inherited)