Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
cors
←
Catalan
Còrsega
(link)
←
Latin
corsus
(derived)
→
Catalan
curs
(doublet)
→
Spanish
coso
(mention)