Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
nuvolós
←
Catalan
núvol
(suffix)
←
Catalan
ós
(suffix)
←
Latin
nūbilus
(inherited)
←
Occitan
nivolós
(cognate)
→
Catalan
nuvolositat
(suffix)