Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
celtico
←
Latin
Celticus
(derived)
→
Italian
protoceltico
(prefix)
→
Italian
panceltico
(prefix)
→
Italian
preceltico
(prefix)