Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
borbulhar
←
Spanish
borbollar
(borrowed)
→
Galician
burbullar
(cognate)
→
Portuguese
borbulha
(back-formation)