Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
espatla
←
Catalan
espatlla
(cognate)
←
French
épaule
(cognate)
←
Latin
spatha
(inherited)
→
Catalan
espatlla
(cognate)
→
Occitan
espatlar
(suffix)