Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
campãa
←
Latin
Campāna
(inherited)
←
Latin
Campānus
(mention)
←
Latin
Campānia
(mention)
←
Latin
campus
(mention)
→
Galician
campa
(inherited)
→
Galician
campá
(inherited)
→
Portuguese
campa
(inherited)