Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
esperto
←
Proto-Indo-European
*per-
(root)
←
Latin
expertus
(derived)
→
Esperanto
sperta
(mention)
→
Italian
espertissimo
(affix)
→
Italian
sperto
(mention)
→
Italian
espertamente
(suffix)