Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
paradoxa
←
Ancient Greek
παράδοξος
(derived)
←
Latin
paradoxum
(derived)
→
Catalan
paradoxal
(suffix)