Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
apigarado
←
Galician
a-
(affix)
←
Galician
pégaro
(affix)
←
Galician
-ado
(affix)
←
Proto-Indo-European
*peyḱ-
(root)