Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
glaner
←
Proto-Celtic
*glanos
(derived)
←
Latin
glenare
(mention)
→
French
glaneur
(suffix)
→
French
glaneuse
(suffix)
→
French
glanage
(suffix)