Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
brilhar
←
Italian
brillare
(mention)
→
Portuguese
brilho
(back-formation)
→
Portuguese
brilhante
(suffix)
→
Portuguese
rebrilhar
(prefix)