Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
deux
←
Old French
deus
(inherited)
←
Latin
duōs
(inherited)
←
Latin
duo
(mention)
→
Norman
deûxième
(suffix)