Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
nepotismo
←
Proto-Indo-European
*népōts
(derived)
←
Latin
nepōs
(derived)
←
Portuguese
nepote
(affix)
←
Portuguese
-ismo
(affix)
→
Portuguese
antinepotismo
(affix)