Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
sable
←
Proto-Celtic
*samos
(derived)
←
Spanish
sábalo
(cognate)
←
Portuguese
sável
(cognate)
→
Galician
sabenla
(mention)