Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
negro
→
Esperanto
negreco
(affix)
→
Esperanto
negroida
(suffix)
→
Esperanto
negrino
(affix)