Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
fêvera
←
Latin
fibra
(inherited)
←
Portuguese
fibra
(doublet)
←
Old Portuguese
fevra
(inherited)
→
Galician
febra
(cognate)
→
Galician
freba
(cognate)
→
Portuguese
fibra
(doublet)