Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*awelā
→
Breton
avel
(inherited)
→
Welsh
awel
(inherited)
→
Galician
Avia
(cognate)
→
Latin
Aviliobris
(derived)