Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
sobaco
←
Spanish
sobaco
(cognate)
←
Portuguese
sovaco
(cognate)
←
Old Portuguese
(inherited)
→
Asturian
sobacu
(cognate)
→
Spanish
sobaco
(cognate)
→
Galician
sobrazo
(mention)