Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
loc
←
Latin
locus
(inherited)
→
Catalan
lloc
(inherited)
→
Occitan
luòc
(inherited)
→
Occitan
luec
(inherited)