Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
conselh
←
Old French
conseil
(cognate)
←
Latin
consilium
(inherited)
→
Catalan
consell
(inherited)
→
Occitan
conselh
(inherited)