Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
sfiducioso
←
Proto-Indo-European
*bʰeydʰ-
(root)
←
Italian
s
(prefix)
←
Italian
fiducioso
(prefix)