Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
diffidare
←
Proto-Indo-European
*bʰeydʰ-
(root)
←
Italian
fidare
(mention)
←
Latin
diffīdere
(derived)
←
Latin
diffīdō
(mention)
→
Italian
diffida
(back-formation)
→
Italian
diffidato
(suffix)