Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
tranquillarsi
←
Proto-Indo-European
*terh₂-
(root)
←
Italian
tranquillare
(affix)
←
Italian
-si
(affix)