Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
alfa
←
Ancient Greek
ἄλφα
(derived)
←
Latin
alpha
(borrowed)
←
Portuguese
alef
(doublet)
→
Portuguese
alef
(doublet)