Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
sourd
←
Old French
sourt
(inherited)
←
Old French
sord
(mention)
←
Old French
surt
(mention)
←
Old French
surz
(mention)
←
Latin
surdus
(inherited)
→
French
sourd
(inherited)