Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
porta
←
Proto-Indo-European
*per-
(root)
←
Latin
porta
(inherited)
←
Old Portuguese
porta
(inherited)
→
Galician
porteiro
(suffix)
→
Galician
portelo
(suffix)
→
Galician
portádego
(suffix)