Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
caudron
←
Old French
chaudron
(mention)
←
Old French
chauderon
(mention)
←
Old French
chaudiere
(mention)
←
Old French
-eron
(mention)
←
Latin
caldarium
(derived)
→
French
chaudron
(mention)
→
Norman
tchaûdron
(mention)