Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
aplacar
←
Spanish
a-
(affix)
←
Spanish
placāre
(affix)
→
Spanish
aplacamiento
(affix)
→
Portuguese
aplacar
(cognate)