Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
clor
→
Catalan
clorar
(affix)
→
Catalan
clorur
(affix)
→
Catalan
clòric
(affix)