Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Vasconia
←
Latin
Vascones
(suffix)
←
Latin
ia
(suffix)
→
Old French
Gascoigne
(derived)
→
Occitan
Gasconha
(derived)