Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
desamparar
←
Latin
anteparare
(derived)
←
Latin
ante
(mention)
←
Latin
parare
(mention)
←
Portuguese
des-
(affix)
←
Portuguese
amparar
(affix)
→
Portuguese
desamparo
(back-formation)