Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
sigma
←
Ancient Greek
σῖγμα
(derived)
←
Ancient Greek
σίγμα
(mention)
→
Italian
sigmatismo
(mention)
→
Italian
sigmacismo
(mention)