Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
ronca
←
Proto-Indo-European
*h₃rewk-
(root)
←
Italian
roncare
(back-formation)
→
Italian
roncola
(suffix)
→
Italian
roncola
(link)
→
Italian
roncatura
(suffix)
→
Italian
arroncare
(mention)
→
Italian
ronchetto
(suffix)
→
Italian
roncone
(suffix)