Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
guet
←
French
guette
(mention)
←
Old French
gué
(cognate)
→
French
aguet
(mention)
→
Norman
dget
(cognate)