Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
quiddu
←
Old Latin
olle
(inherited)
←
Latin
(inherited)
←
Latin
eccum
(mention)
←
Latin
ille
(mention)
←
Sicilian
chiddu
(cognate)