Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
opaco
←
Latin
opācus
(derived)
→
Italian
opacizzare
(suffix)
→
Italian
radioopaco
(prefix)
→
Italian
semiopaco
(prefix)
→
Italian
opacamente
(suffix)
→
Italian
opacare
(suffix)