Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
so
←
French
son
(cognate)
←
Proto-Indo-European
*swé
(inherited)
←
Italian
suo
(cognate)
←
Proto-Italic
*sowos
(inherited)
←
Latin
suum
(inherited)