Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
comprometre
←
Latin
compromittere
(derived)
←
Latin
com-
(mention)
←
Latin
promittere
(mention)
→
Catalan
comprometedor
(affix)