Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
chalt
←
Latin
caldus
(inherited)
→
French
chaud
(mention)
→
Old French
chaut
(mention)
→
Walloon
tchôd
(mention)