Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
chercher
←
Old French
cerchier
(inherited)
←
Old French
sercher
(mention)
←
Old French
cercier
(mention)
←
Old French
cercer
(mention)
→
French
chercher
(inherited)