Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
car
←
Latin
cārus
(inherited)
←
Old Occitan
(inherited)
→
Catalan
carro
(mention)
→
Occitan
carro
(mention)
→
Occitan
carrejar
(mention)