Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
corn
←
Proto-Indo-European
*ḱerh₂-
(derived)
←
Latin
cornū
(inherited)
→
Catalan
cornada
(suffix)
→
Catalan
corneller
(mention)