Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Italic
*-tos
→
Latin
-ittus
(inherited)
→
Latin
-tus
(inherited)
→
Ligurian
-étto
(derived)
→
Norwegian Bokmål
sigarett
(derived)