Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
-eg-
←
Esperanto
-eg-
(derived)
←
Russian
-яга
(derived)
→
Ido
varmega
(suffix)
→
Ido
instruktegar
(suffix)
→
Ido
spensegar
(suffix)
→
Ido
abundegar
(suffix)
→
Ido
anhelegar
(suffix)
→
Ido
kurajegar
(suffix)
→
Ido
nazego
(suffix)
→
Ido
iracego
(suffix)