Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
dgetter
←
Old French
gaiter
(inherited)
←
Old French
guaitier
(mention)
←
Old French
gaitier
(mention)
←
Proto-Germanic
*wahtwō
(derived)
←
Proto-West Germanic
*wahtjan
(mention)
←
Proto-West Germanic
*wahtu
(mention)
←
Proto-Indo-European
*weǵ-
(derived)
→
Norman
dgetteux
(suffix)