Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
bucina
←
Spanish
bocina
(cognate)
←
Latin
būcina
(borrowed)
←
Portuguese
buzina
(cognate)
→
Galician
bucio
(link)