Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
heroo
←
German
Heros
(derived)
←
English
hero
(derived)
←
Esperanto
heroo
(derived)
←
Spanish
héroe
(derived)
←
French
héros
(derived)
←
Ancient Greek
ἥρως
(derived)
←
Proto-Indo-European
*ser-
(derived)
←
Italian
eroe
(derived)
←
Latin
hērōs
(derived)
←
Russian
герой
(derived)
→
Ido
heroino
(affix)
→
Ido
heroala
(affix)
→
Ido
heroatra
(affix)
→
Ido
heroeso
(affix)
→
Ido
antiheroo
(prefix)