Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
clandestí
←
Latin
clandestīnus
(derived)
→
Catalan
clandestinitat
(affix)
→
Catalan
clandestinament
(affix)