Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
cantu
←
French
chant
(cognate)
←
Italian
canto
(cognate)
←
Latin
cantus
(inherited)
→
Gallurese
cantu
(inherited)