Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cavaleiro
←
Latin
caballus
(inherited)
←
Portuguese
cavalo
(affix)
←
Portuguese
-eiro
(affix)
←
Portuguese
cavalheiro
(doublet)
←
Old Portuguese
cavaleiro
(inherited)
→
English
cavalero
(derived)
→
Portuguese
cavalheiro
(doublet)