Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
toit
←
Old French
teit
(mention)
←
Latin
tēctum
(inherited)
→
French
toit
(inherited)
→
Middle French
toict
(derived)