Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
-ucolo
←
Italian
-ucchio
(doublet)
←
Latin
-ūculus
(derived)
←
Latin
-culus
(mention)
→
Italian
-ucchio
(doublet)