Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
polio
→
Galician
monopolio
(confix)
→
Galician
oligopolio
(confix)
→
Galician
duopolio
(confix)