Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
rouiller
←
French
rouille
(suffix)
←
French
er
(suffix)
→
Catalan
rovellar
(cognate)
→
French
dérouiller
(affix)
→
Occitan
rovilhar
(cognate)