Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
arrigu
→
Romanian
rinichi
(cognate)
→
Aromanian
arniclju
(cognate)
→
Aromanian
riniclju
(cognate)