Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
estudiar
←
Catalan
estudi
(affix)
←
Catalan
-ar
(affix)
→
Catalan
estudiant
(mention)
→
Catalan
estotjar
(doublet)