Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
duit
←
Latin
ductum
(inherited)
→
English
douit
(derived)
→
Norman
douit
(inherited)
→
Norman
douët
(inherited)