Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
estrelato
←
Spanish
estrellato
(cognate)
←
Portuguese
estrela
(affix)
←
Portuguese
-ato
(affix)
→
Spanish
estrellato
(cognate)