Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
adecuamentu
←
Italian
adeguamento
(borrowed)
←
Sardinian
adecuare
(suffix)
←
Sardinian
mentu
(suffix)