Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
-eyo
←
German
-ei
(derived)
←
Esperanto
-ejo
(derived)
→
Ido
gazoneyo
(affix)
→
Ido
koqueyo
(affix)
→
Ido
tombeyo
(affix)
→
Ido
enterigeyo
(affix)
→
Ido
uceleyo
(affix)
→
Ido
abadeyo
(affix)
→
Ido
balneyo
(affix)
→
Ido
arboreyo
(affix)
→
Ido
bucheyo
(affix)
→
Ido
kavaleyo
(affix)
→
Ido
gareyo
(affix)
→
Ido
kancelereyo
(affix)
→
Ido
vestizeyo
(affix)