Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
Aqueronte
←
Ancient Greek
Ἀχέρων
(derived)
←
Latin
Acheron
(derived)
→
Portuguese
aquerôntico
(affix)