Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
isse
←
Spanish
ese
(cognate)
←
Italian
esso
(cognate)
←
Latin
ipse
(inherited)
←
Portuguese
esse
(cognate)