Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
esconjurar
←
Portuguese
es
(prefix)
←
Portuguese
conjurar
(prefix)
←
Old Portuguese
esconjurar
(mention)
→
Portuguese
esconjuro
(back-formation)