Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
pura
→
Esperanto
malpure
(confix)
→
Esperanto
malpura
(affix)
→
Esperanto
purigi
(affix)
→
Esperanto
pureco
(affix)
→
Esperanto
malpurigi
(affix)
→
Esperanto
puriĝi
(affix)