Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
bourdonner
←
French
bourdon
(suffix)
←
French
er
(suffix)
→
French
bourdonnement
(suffix)
→
Gallo
brunder
(cognate)