Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
-eur
←
Middle French
-eur
(derived)
←
Old French
-eor
(derived)
←
Old French
-or
(mention)
←
Latin
-ator
(derived)
←
Latin
-tor
(mention)
←
Latin
-or
(derived)
→
Dutch
masseur
(affix)
→
Dutch
redacteur
(affix)