Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
geteson
←
French
-aison
(mention)
←
Old French
geter
(suffix)
←
Old French
eson
(suffix)
←
Old French
-oison
(mention)