Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
étnico
←
Ancient Greek
ἐθνικός
(derived)
←
Ancient Greek
ἔθνος
(mention)
←
Latin
ethnicus
(derived)
→
Portuguese
antiétnico
(affix)