Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
magnético
→
Portuguese
eletromagnético
(affix)
→
Portuguese
paramagnético
(prefix)
→
Portuguese
aeromagnético
(affix)
→
Portuguese
antimagnético
(affix)