Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
traicter
←
Old French
treter
(inherited)
←
Old French
tretier
(mention)
←
Old French
traitier
(mention)
←
Old French
traiter
(mention)
←
Latin
tracto
(inherited)
←
Latin
trahō
(mention)
→
French
traiter
(inherited)
→
Middle French
traictement
(suffix)