Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
sobreira
←
Galician
-eira
(affix)
←
Latin
sūber
(inherited)
←
Latin
-āria
(mention)
←
Old Portuguese
sobro
(inherited)