Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
trés
←
Old French
trés
(inherited)
→
French
très
(inherited)
→
Middle French
tresbien
(compound)
→
Middle French
tresbon
(compound)
→
Middle French
tresgrant
(compound)