Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
perfacilis
←
Proto-Italic
*perifakelis
(inherited)
←
Latin
per
(prefix)
←
Latin
facilis
(prefix)
←
Latin
(prefix)
→
Latin
perfacile
(mention)