Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
doucet
←
Old French
douce
(suffix)
←
Old French
et
(suffix)
→
English
dulcet
(derived)
→
Middle English
doucet
(borrowed)