Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
bárbaro
←
Ancient Greek
βάρβαρος
(derived)
←
Latin
barbarus
(derived)
→
Portuguese
barbaridade
(affix)
→
Portuguese
barbárie
(affix)