Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
joeira
←
Portuguese
joio
(suffix)
←
Portuguese
eira
(suffix)
→
Galician
xoeira
(cognate)
→
Portuguese
joeirar
(suffix)