Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
bouôn
←
Old French
bon
(derived)
←
Latin
bonus
(derived)
→
Norman
bouonhoumme
(compound)
→
Norman
bouônnement
(suffix)