Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
aktoro
←
English
actor
(derived)
←
Esperanto
aktoro
(derived)
←
Spanish
actor
(derived)
←
French
acteur
(derived)
←
Italian
attore
(derived)
←
Latin
āctor
(derived)
←
Russian
актёр
(derived)
→
Ido
aktorino
(suffix)
→
Ido
aktorulo
(suffix)