Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
joia
←
Latin
gaudium
(derived)
→
Catalan
joia
(inherited)
→
Middle French
ioye
(derived)
→
Occitan
joia
(inherited)