Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
aguilloar
←
Spanish
aguijonear
(cognate)
←
Galician
aguillón
(suffix)
←
Galician
ar
(suffix)
←
Portuguese
aguilhoar
(cognate)