Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
achedda
←
Corsican
acellu
(cognate)
←
French
oiseau
(cognate)
←
Italian
uccello
(cognate)
←
Occitan
aucèl
(cognate)