Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
brado
←
Galician
bradar
(back-formation)
←
Old Portuguese
braado
(inherited)
←
Old Portuguese
braado
(inherited(gl/pt))