Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
eschaufer
←
Old French
eschalfer
(mention)
←
Latin
excalfacere
(inherited)
←
Latin
excalfaciō
(mention)
←
Latin
ex
(mention)
←
Latin
calfaciō
(mention)
←
Latin
calefaciō
(mention)
→
French
échauffer
(inherited)
→
Middle French
eschauffer
(inherited)