Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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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)