Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
vendeor
←
Old French
vendre
(suffix)
←
Old French
eor
(suffix)
←
Latin
venditor
(inherited)
→
English
vendor
(cognate)
→
French
vendeur
(mention)