a b c ĉ d e f g ĝ h ĥ i j ĵ k l m n o p r s ŝ t u ŭ v z
| Esperanto | English |
|---|---|
| oazo | oasis |
| obeeme | obediently, submissively |
| objekto | thing |
| oblikva | slanting, oblique |
| observi | look, observe, view, watch |
| obstina | stubborn |
| obstrukci | stop up, choke up, block up |
| obturi | stop up, choke up, block up |
| oĉjo | man, uncle |
| odori | smell |
| odorigi | emit |
| odoro | odour, scent, smell |
| oferi | offer to a god |
| ofero | sacrifice, victim |
| oferrito | divine service |
| oferservo | memorial service, memorial services |
| oficejo1 | government office |
| oficejo2 | office |
| oficialulo | officer, official |
| oficiro | officer |
| oficisto | officer, official |
| ofico | office work |
| ofte | often |
| ogro | devil, Satan |
| ok | eight |
| okazaĵo | event, incident |
| okazi | arise, arise, happen, happen, occur, take place |
| okazo1 | (important) occasion |
| okazo2 | case, chance, opportunity |
| okcidento | west |
| okcipito | occiput |
| okdek | eighty |
| oksalido | creeping lady's-sorrel, wood sorrel |
| okulbori | gaze, stare |
| okulbulbo | eyeball |
| okulglobo | eyeball |
| okulharoj | eyelash |
| okulmuko | sleep, gum |
| okulo | eye |
| okulvigno | cowpea |
| okulvitroj | glasses, spectacles |
| okupi | occupy |
| okupita | be busily engaged, busy, have no leisure |
| okzalo | common sorrel, garden sorrel |
| ol | than |
| olda | aged, old |
| oleo | oil |
| omaro | lobster |
| ombrejo | shade |
| ombrelo | umbrella |
| ombro | shade, shadow |
| ondadi | wave |
| ondado | wave, undulation |
| ondi | wave |
| ondmovo | wave, undulation |
| ondo | wave |
| ondolado | zinc, galvanized iron |
| oni | one, people, they |
| onidire | it is said, they say |
| onidiro | rumour |
| onisko | sow bug, wood louse |
| onjo | auntie |
| onklino | aunt |
| onklo | uncle |
| opinii | opine |
| opinio | opinion, view |
| opio | opium |
| oponi | oppose |
| oportuna | convenient |
| oportuneco | convenience |
| oportuno | convenience |
| opozicii | oppose |
| opozicio | opposition |
| oranĝarbo | mandarin tree |
| oranĝo | mandarin orange |
| oranĝujo | mandarin tree |
| ordi | put in order, tidy up |
| ordigi | put in order, tidy up |
| ordinara | normal, common |
| ordinare | mostly |
| ordo | order |
| ordoni | bid, order |
| ordono | command, order |
| orellobo | ear-lobe |
| orelo | ear |
| orelo-obuso | abalone, earshell, ormer |
| orelvakso | earwax |
| orfo | orphan |
| organismo | living thing, creature |
| organo | organ |
| oriento | east |
| origino | origin |
| oriolo | black-naped oriole |
| ornamaĵo | decoration, ornament |
| ornami | adorn, decorate, refurbish, refurnish |
| ornamo | decoration, ornament |
| oro | gold |
| orskarabo | gold beetle, goldbug |
| oscedi | yawn |
| oscedo | yawn |
| osmanto | holly osmanthus, holly olive |
| osmundo | royal fern |
| osto | bone |
| ostro | oyster |
| otorinolaringologio | otolaryngology |
| ovo | egg |