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