Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
parceiro
←
Catalan
parcer
(cognate)
←
Spanish
aparcero
(cognate)
←
Latin
pars
(mention)
←
Portuguese
parceiro
(cognate)
←
Old Portuguese
parceiro
(inherited)