Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
komerco
←
Esperanto
komerco
(derived)
→
Ido
komercala
(affix)
→
Ido
komercar
(suffix)