Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
marisco
←
Portuguese
mar
(suffix)
←
Portuguese
isco
(suffix)
→
Galician
marisco
(cognate)
→
Portuguese
marisqueira
(suffix)