Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sicilian
cu
←
Latin
cum
(inherited)
←
Latin
quis
(inherited)
←
Sicilian
cuegghiè
(link)
→
Sardinian
cun
(cognate)