Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
traforo
←
Italian
traforare
(back-formation)
←
Piedmontese
trafor
(cognate)
←
Piedmontese
trafur
(mention)