Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
noghimentu
←
Proto-Indo-European
*neḱ-
(root)
←
Sardinian
nòghere
(suffix)
←
Sardinian
mentu
(suffix)