Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
desbloquear
←
Portuguese
des
(prefix)
←
Portuguese
bloquear
(prefix)
→
Portuguese
desbloqueio
(back-formation)
→
Portuguese
desbloqueio
(mention)