Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
entendemento
←
Spanish
entendimiento
(cognate)
←
Galician
entender
(suffix)
←
Galician
mento
(suffix)
←
Portuguese
entendimento
(cognate)
←
Old Portuguese
entendemento
(inherited)