Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
Esperanto
→
Ido
Esperantisto
(suffix)
→
Ido
Esperantigar
(suffix)
→
Ido
Espo
(mention)
→
Ido
Espo
(mention)