Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
chamfron
←
Old French
chanfrain
(derived)
←
Old French
champ
(mention)
←
Old French
frein
(mention)
→
English
chamfrein
(mention)
→
English
chamfret
(mention)
→
English
chanfrin
(mention)