Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
fragula
←
Latin
(inherited)
←
Latin
frāga
(mention)
←
Latin
-ulus
(mention)
←
Latin
frāgum
(derived)