Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
bor
→
Catalan
borur
(affix)
→
Catalan
borat
(affix)
→
Catalan
bòric
(affix)