Sesa Oficiala Aldono (6OA): the 21 official roots
All 21 roots made official by Sesa Oficiala Aldono (6OA) (1935), alphabetically, with their meaning in English and a link to each dictionary entry.
- angor- distress
- apertur- aperture
- aplomb- aplomb
- arbust- bush
- aŭgur- augury
- aŭreol- halo
- balet- ballet
- bankier- banker
- gramofon- gramophone
- greg- herd
- honorari- honorarium
- ingredienc- ingredient
- koncesi- concession
- konduktor- conductor
- monoton- monotonic
- streb- effort
- susur- rustle
- ŝrump- shrivel
- vinkt- rivet
- vivisekci- vivisection
- vizi- vision
Counts follow the officiality marks in Reta Vortaro (ReVo); the Academy of Esperanto keeps the official list in its Akademia Vortaro, and its own counts differ by a few roots. Words built from official roots are normal Esperanto even when they are not on any list: see Word building. Academy.