Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
desencontro
←
Spanish
desencuentro
(cognate)
←
Portuguese
desencontrar
(back-formation)
←
Portuguese
des-
(affix)
←
Portuguese
encontro
(affix)