Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
clar
←
Proto-Indo-European
*kelh₁-
(derived)
←
Latin
clārus
(inherited)
←
Old Occitan
clar
(inherited)
→
Catalan
clarament
(suffix)
→
Catalan
aclarir
(confix)
→
Catalan
claredat
(mention)