Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
plumaro
←
Esperanto
plumaro
(derived)
←
Ido
plumo
(affix)
←
Ido
-aro
(affix)