Naŭa Oficiala Aldono (9OA): the 208 official roots
All 208 roots made official by Naŭa Oficiala Aldono (9OA) (2007), alphabetically, with their meaning in English and a link to each dictionary entry.
- adrenalin- adrenalin
- agres- aggression
- aidos- AIDS
- akupunktur- acupuncture
- alergi- allergy
- algoritm- algorithm
- ameb- amoeba
- amend- amendment
- anĉ- reed
- Antarkt- Antarctica
- antibiotik- antibiotic
- anus- anus
- aperitiv- apéritif
- are- area
- Arkt- the Arctic
- asbest- asbestos
- aspirin- aspirin
- avokad- avocado
- banked- banquet
- baskul- lever
- beletr- literature
- bemol- flat symbol
- beton- concrete
- bit- bit
- bizon- bison
- bluf- boasting
- boac- reindeer
- bradip- three-toed sloth
- brit- Briton
- brokol- broccoli
- burokrat- bureaucrat
- cic- nipple
- cirkumcid- circumcision
- ĉampion- champion
- ĉasi- chassis
- ĉimpanz- chimpanzee
- ĉin- Chinese
- defi- trial
- delt- delta
- demografi- demography
- detektiv- detective
- dies- sharp
- diskriminaci- discrimination
- dizert- desertion
- drast- drastic
- driv- drift
- ekologi- ecology
- etiked- label
- etn- ethnos
- etnologi- ethnology
- etos- atmosphere
- eŭfemism- euphemism
- eŭkalipt- eucalyptus
- eŭr- euro
- farĉ- stuffing
- fek- defecation
- festival- festival
- folklor- folklore
- fot- photo
- fram- frame
- frustr- frustration
- furz- fart
- galaksi- galaxy
- gen- gene
- genr- grammatical gender
- giĉet- ticket window
- glis- glide
- grafik- graphics
- gujav- guava
- hormon- hormone
- ideologi- ideology
- iks- x
- inflaci- inflation
- insulin- insulin
- ipsilon- the letter y, twenty-fifth letter of…
- Israel- Israel
- japan- Japanese
- ĵaz- jazz
- ĵoke- jockey
- ĵud- judo
- kalci- calcium
- kampanj- campaign
- kancer- cancer
- kanguru- kangaroo
- kapsik- pepper
- karoseri- coachwork
- kased- cassette
- katapult- catapult
- kibuc- kibbutz
- kimon- kimono
- kiosk- kiosk
- klitor- clitoris
- klon- clone
- kod- code
- kodeks- codex
- koher- coherence
- kompakt- compact
- komput- compute
- kondom- condom
- konekt- connection
- kooperativ- cooperative
- kramf- cramp
- kromosom- chromosome
- ku- Q
- kurz- price
- kvaker- Quaker
- kvorum- quorum
- lanĉ- launch
- laser- laser
- leŭkemi- leukemia
- limf- lymph
- magnetofon- tape recorder
- majonez- mayonnaise
- majuskl- majuscule, upper-case letter
- mandarin- mandarin
- mang- mango
- maniok- manioc
- mate- yerba mate
- matric- matrix
- melongen- eggplant
- menstru- menstrual flow
- mesaĝ- message
- minuskl- minuscule
- miraĝ- mirage
- modem- modem
- muld- mold
- nan- dwarf
- omaĝ- homage
- organik- organic
- orgasm- orgasm
- pankreat- pancreas
- paprik- red pepper
- pavilon- pavilion
- penicilin- penicillin
- penis- penis
- periskop- periscope
- persvad- persuasion
- petal- petal
- pic- pizza
- piĵam- pajama
- piknik- picnic
- pingven- penguin
- pis- urine
- polen- pollen
- polp- octopus
- prestiĝ- prestige
- prostat- prostate gland
- protein- protein
- pub- pubic region
- pulp- fleshy part
- pund- pound
- radar- radar
- radiograf- to X-ray
- raked- racket
- reĝisor- director
- rezoluci- resolution
- robot- robot
- ronĝ- gnaw
- rotaci- rotation
- rulet- roulette
- saksofon- saxophone
- salikok- shrimp
- satelit- satellite
- sesi- session
- silici- silicon
- skan- scan
- skeĉ- sketch
- skolt- scout
- specif- specific
- spekt- to watch
- stabil- stable
- stagn- stagnation
- statut- statute
- stereofoni- stereophony
- stir- to steer
- stok- stock
- strangol- strangle
- sugest- suggestion
- ŝalt- switch on
- ŝenopraz- chives
- ŝok- shock
- ŝtorm- storm
- taksi- taxi
- tank- tank
- tapir- tapir
- telepati- telepathy
- tenis- tennis
- test- test
- tonsil- tonsil
- tortur- torture
- transistor- transistor
- tret- tread
- trib- tribe
- tukan- toucan
- tumor- tumor
- uni- union
- Uson- United States of America
- vagin- vagina
- vaku- vacuum
- valut- currency
- vand- partition
- versi- version
- virtual- virtual
- virus- virus
- vitamin- vitamin
- vodk- vodka
- vulv- vulva
- zip- zip
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.