Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
esto
←
Latin
istum
(inherited)
←
Latin
iste
(mention)
→
Corsican
istu
(cognate)
→
Italian
'sto
(mention)
→
Romanian
ăst
(cognate)