Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
pettus
←
Proto-Indo-European
*peg
(derived(it/sc))
←
Proto-Italic
*pektos
(inherited(it/sc))
←
Latin
pectus
(inherited(it/sc))