Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
galeguismo
←
Spanish
galleguismo
(cognate)
←
Portuguese
galego
(suffix)
←
Portuguese
ismo
(suffix)
→
Spanish
galleguismo
(cognate)