Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
degaster
←
Old French
degast
(suffix)
←
Old French
er
(suffix)
←
Old French
de
(prefix)
←
Old French
gaster
(prefix)
→
Norman
d'gâchi
(mention)