Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
escavare
←
Latin
excavāre
(borrowed)
←
Latin
excavō
(mention)
←
Latin
cavō
(mention)
→
Italian
escavo
(back-formation)