Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*betu-
→
Galician
bido
(derived)
→
Galician
bidueiro
(derived)
→
Galician
bídalo
(derived)
→
Galician
bedulo
(derived)
→
Galician
bedugo
(derived)