Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
berrugós
←
Catalan
berruga
(affix)
←
Catalan
-ós
(affix)
→
Catalan
verrucós
(doublet)