Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
chouso
→
Galician
chousa
(cognate)
→
Galician
chouso
(cognate)
→
Portuguese
chouseira
(suffix)
→
Portuguese
chousura
(suffix)