Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
lúcid
←
Latin
lūcidus
(borrowed)
→
Catalan
lucidesa
(suffix)
→
Catalan
lúcidament
(suffix)