Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
fibra
←
Latin
fibra
(borrowed)
←
Portuguese
fêvera
(doublet)
→
Ido
fibro
(derived)
→
Portuguese
fêvera
(doublet)