Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*lowko-
→
Galician
lóstrego
(derived)
→
Galician
alustro
(derived)
→
Galician
relusco
(derived)
→
Galician
aluscar
(derived)
→
Galician
relustro
(derived)