Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
por
←
Proto-Indo-European
*pro-
(inherited)
←
Proto-Indo-European
*por-
(mention)
←
Latin
prō
(inherited)
←
Latin
per
(mention)
←
Latin
porto
(link)
←
Old Portuguese
por
(inherited)
→
Galician
las
(mention)
→
Galician
lo
(mention)
→
Galician
polo
(mention)
→
Galician
pela
(link)
→
Galician
pola
(mention)
→
Galician
polos
(mention)
→
Galician
polas
(mention)
→
Galician
por mor de
(link)
→
Galician
por pouco
(mention)
→
Galician
por outra banda
(mention)
→
Galician
diola
(mention)