Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
kalkulilo
←
Esperanto
kalkuli
(affix)
←
Esperanto
-ilo
(affix)
→
Esperanto
bidkalkulilo
(affix)