Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
agaitier
←
Old French
a
(prefix)
←
Old French
gaitier
(prefix)
→
French
aguet
(mention)
→
Old French
agait
(mention)