Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
rôder
←
French
rouer
(doublet)
←
Latin
rotāre
(mention)
←
Old Occitan
rodar
(borrowed)
→
French
rouer
(doublet)
→
French
rôdeur
(suffix)