Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
coût
←
French
coûter
(mention)
←
Middle French
coust
(inherited)
←
Old French
cust
(inherited)
→
French
coûteux
(suffix)
→
French
surcoût
(prefix)