Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
giocoso
←
Proto-Indo-European
*yek-
(root)
←
Latin
iocōsus
(derived)
→
English
giocoso
(derived)
→
Italian
giocosità
(suffix)
→
Italian
giocosamente
(suffix)