Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
caire
←
Catalan
caure
(cognate)
←
Latin
quadrum
(inherited)
←
Latin
cadere
(inherited)
←
Latin
cadō
(mention)
←
Latin
*cadēre
(mention)
←
Occitan
cairar
(link)
←
Occitan
càder
(link)
←
Occitan
càser
(link)
←
Occitan
casuda
(link)
←
Old Occitan
(inherited)
←
Old Occitan
cazer
(inherited)
→
Catalan
caure
(cognate)
→
French
choir
(cognate)
→
Franco-Provençal
chêre
(cognate)
→
Norman
caeir
(cognate)
→
Occitan
casuda
(mention)