Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
beizo
←
Spanish
bezo
(cognate)
←
Portuguese
beiço
(cognate)
←
Old Portuguese
beiço
(inherited)
→
Galician
beizudo
(suffix)