Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
antiguidade
←
Latin
antiquitas
(inherited)
←
Portuguese
antigo
(suffix)
←
Portuguese
idade
(suffix)
←
Old Portuguese
antiguedade
(inherited)
→
Galician
antigüidade
(cognate)