Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
fenaison
←
French
faner
(mention)
←
French
-aison
(mention)
←
Old French
fener
(mention)
←
Occitan
fenason
(cognate)