Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
compaña
←
Spanish
compaña
(cognate)
←
French
compagnon
(cognate)
←
Galician
compañía
(doublet)
←
Italian
compagnone
(cognate)
←
Latin
compāniō
(derived)
←
Latin
cum
(mention)
←
Latin
pānis
(mention)
←
Portuguese
companha
(cognate)
←
Old Portuguese
companna
(inherited)
→
Spanish
compaña
(cognate)
→
Galician
compañía
(doublet)
→
Galician
compañeiro
(suffix)
→
Portuguese
companha
(cognate)