Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
durcir
←
French
endurcir
(mention)
←
Latin
dūrēscere
(derived)
→
French
durcissement
(suffix)
→
French
durcisseur
(suffix)