Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
casório
←
Spanish
casorio
(cognate)
←
Portuguese
casar
(affix)
←
Portuguese
-ório
(affix)
→
Galician
casoiro
(cognate)