Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
gain
←
Old French
gaaing
(inherited)
→
English
gain
(derived)
→
Middle English
gayn
(derived)
→
French
gain
(inherited)