O = (letter - ) littera o

oak = (electrical) querco;
    (brit. or red oak) robore

oar = remo;
    remar

oarsman = remator

oasis = oasis

oath = (promise) juramento;
    (abusive language) blasphemia;
    (take an - ) prestar juramento

oatmeal= farina de avena

oats = avena

obourate = inexorabile

obedience = obedientia

obedlent = obediente

obelisk = obelisco

obese = *obese

obeslty = *obesitate

obey = obedir a

obituary = obituari;
    obituario

object = (thing; gram.) objecto;
    (aim) scopo;
    objectar

objection = objection;
    (raise an - ) sublevar un objection

objectionable = disagradabile, reprehensibile, repugnante

objective = objective;
    objectivo, scopo

objectivity = objectivitate

objector = objectante

obligation = obligation

obligatory = obligatori

oblige = obligar

obliged = obligate;
    (be - to, have to) deber, haber a;
    (be grateful to) esser grate a

obliging = obligante, officiose

oblique = oblique

obliterate = obliterar

obliteration = obliteration 

oblivion = oblivion

oblivious = obliviose

oblong = oblonge;
    rectangulo

obnoxious = detestabile, odiose, offensive

oboe = oboe

oboist = oboista

obscene = obscen

obscenity = obscenitate

obscure = obscur, tenebrose;
    obscurar

obscurity = obscuritate

obsequious = obsequiose

obsequiousness = obsequiositate

observable = observabile

observance = observantia

observant = observante

observation = observation

observatory = observatorio

observe = observar, reguardar

observer = observator

obsess = obseder

obsessed = obsedite

obsession = obsession

obsdlescence = obsolescentia, desuetude

obsolescent = obsolescente;
    (become - ) obsolescer

obsolete = obsolete, desuete

obstacle = obstaculo, embarasso, barriera

obstetric = obstetric

obstetrical = obstetric

obstetrician = obstetrico

obstetrics = obstetricia

obstinacy = obstination

obstinate = obstinate;
    (be - ) obstinar se

obstreperous = strepitose, turbulente

obstruct = obstruer, incombrar, incommodar

obstruction = obstruction, incombramento

obstructive = obstructive

obtain = obtener

obtainable = obtenibile, procurabile

obtrude = intruder, importunar

obtrusion = intrusion

obtrusive = importun, penetrante

obtuse = obtuse, inintelligente

obtuseness = obtusitate, inintelligentia

obverse = obverso

obviate = obviar a

obvious = obvie, evidente;
    (be - ) saltar al oculos

occasion = (incident) occasion;
    (cause) causa;
    (motive) motivo;
    occasionar, causar

occasional = occasional, infrequente, rar

occasionally = *rarmente, de tempore in tempore

occident = occidente

occidental = occidental

occult = occulte;
    occulte;
    occultar

occultism = occultismo

occultist = occultista

occupancy = occupation, occupantia

occupant = (occupier) occupante, occupator;
    (dweller) habitante;
    (tenant) locatario

occuation = occupation;
    (employ) empleo

occupational = professional

occupational-hazard = risco professional

occupy = occupar;
    (of house) habitar

occur = occurrer, evenir;
    (it did not - to me) le idea non me ha venite

occurrence = occurrentia, evento

ocean = oceano

o'clock = hora(s);
    (at three - in the afternoon, 3:00 p.m.) a tres horas del postmeridie

octagon = octagono

octagonal = octagon(al)

octane = octano

octave = octava

octavo = octavo

october = octobre

octopus = octopode

ocular = ocular

oculist = oculista

odd = (uneven) impare;
    (strange) bizarre;
    (unconventional) eccentric, original;
    (occasional) occasional

oddity = (strangeness) bizarria;
    (eccentricity) eccentricitate;
    (person) original

oddments = articulos varie

oddness = (unevenness) imparitate;
    (strangeness) bizarria


odds = (chances) probabilitate;
    (superiority) fortias superior;
    (betting) avantage;
    (variance) discordia;
    (be at - with) non esser de accordo con;
    (fight against the - ) luctar contra le fortias superior;
    (lay - of 3 to 1) facer un sponsion de 3 contra 1

odds-and-ends = varie cosas, miscellania, residuos;
    (the - are that) il es multo probabile que

ode = ode  

odious = odiose

odometer = hodometro

odorous = odorante, odorose

odor = (-our) odor

odorless = inodor

oedipus = edipo;
    ( - complex) complexo de edipo

oesophagus = esophago

of = de

of-a-sunday = le dominica

of-course = naturalmente

off = (not near) lontan;
    (unlikely) improbabile;
    (cancelled) cancellate;
    lontano, via;
    (from) de;
    (near) apud;
    (be well - ) esser ric

off-and-on = de tempore in tempore

off-color = (-our) indisposite

off-with-his-head = amputar le capite


off-with-you = via!, parti!, marcha!

offal = restos

offence = (act of offending) offensa;
    (scandal) scandalo;
    (crime) delicto;
    (giving - ) scandalose;
    (take - ) piccar se

offend = (hurt) offender;
    (disoblige) disobligar;
    (cause to stumble) scandalisar

offended = piccate;
    (be - ) offender se

offender = (transgressor) offenditor;
    (criminal) delinquente;
    (hardened - ) *recidivista

offense = offence

offensive = (insulting) offensive;
    (unpleasant) disagradabile;
    (sickening) nauseabunde;
    offensiva;
    (be - ) injuriar, insultar;
    (take the - ) prender le offensiva

offer = offerta;
    offerer

offering = oblation

offhand = (brusque) brusc;
    (impromptu) improvisate

offhandedness = bruscheria

office = (function) officio;
    (place) officio, bureau;
    (politics) ministerio;
    (assume responsibility, take - ) entrar in functiones;
    (politics) prender le poter

office-hours = horas de bureau

office-worker = commisso

officer = (milit.) officiero;
    (official) functionario

official = official;
    (functionary) official, functionario;
    (employee) empleato

officially = *officialmente

officialdom bureaucratia

officiate = officiar

officious officiose

offing = (in the - ) al largo

off-licence = boteca de biberages alcoholic

off-peak = de horas non puncta, de nocte

off-print = extracto, tirage a parte

off-putting = disagradabile, dissuadente

off-season = foras de saison

offset = offset;
    compensar

offshoot = nove ramo

offshore = (wind) del terra;
    (island) pauco remote del terra;
    al largo

offside = (sport) foras de joco

offspring = prole

offstage = foras de scena


often = sovente, frequentemente;
    (how -?) quante vices?

ogle = ocular

ogre = (in fairy tales) *ogro;
    (unpleasant person) persona inabbordabile, monstro

oh = o, oh, ho, ah

ohm = ohm

oil = (electrical) oleo;
    (petroleum) petroleo;
    olear, lubricar, ingrassar;
    (paint in - ) pinger a oleo

oilcan = (container) *bidon a oleo, a petroleo;
    (with nozzle) *oleato

oilfield = jacimento petrolifere

oil-paintin = pictura a oleo

oilskin = tela cerate

oil-stove = furno a petroleo

oil-well = puteo petrolifere 

oily = oleose

ointment = uncto, unguento

o.k. = de accordo, *o.k.;
    approbar

old = (not young, not new) vetule, vetere;
    (long-established) ancian;
    how - are you? que etate ha vos?;
    (I am 20 years - ) io ha vinti annos

old-age = vetulessa, senectute

old-age = pension pension de vetulessa

old-testament = vetere testamento, scripturas hebree

older = senior

old-fashidned = antiquate

olive = oliva 

olive-oil = oleo de oliva

olympiad = olympiade, *olympiad, *olympiada

olympic = olympic

olympic-games = jocos olympic 

omelet = (-te) omelette 

Oman = *Oman

omen = augurio, presagio;
    augurar, presagzr

ominous = de mal augurio, sinistre

ominously = sinistremente

omission = omission

omit = omitter, preterir

omnibus = (bus) autobus;
    omnibus

omnipotence = omnipotentia

omnipotent = omnipotente

omnipresence = *omnipresentia

omnipresent = *omnipresente

omniscience = omniscientia

omniscient = omnisciente

omnivorous = (-ourous) omnivore

on = super, sur;
    (and so - ) et cetera;
    (go - ) continuar;
    (wear, have - ) portar;
    (tease) dupar;
    (what's -?) que representa on?

once = (formerly) olim;
    (one time) un vice;
    (suddenly, all at - ) subitemente;
    (at the same time) simul;
    (at - ) immediatemente, jam, simul

once-again = ancora un vice

once-and-for-all = un vice pro sempre

once-more = ancora un vice, plus un vice

once-or-twice = alicun vices

once-that = un vice que

oncoming = approchante

on-condition = that a condition que

on-demand = a demanda

one = un;
    on;
    (numeral) un;
    (that - ) ille;
    (this - ) iste

one-after-the-other = le un post le altere

one-another = le un(es) le altere(s)

one-by-one = un a un, un per un, le un le altere

onerous = onerose

oneself = se

one-sided = unilateral

one-way = senso unic

one-way-street = via a senso unic

on-fire = in flammas

on-foot = a pede

onion = cibolla

on-line = (connected) connectite, *in-linea

on-loan = in presto

onlooker = spectator

only = sol, unic;
    solmente, solo;
    ma

only-just = a pena

on-monday = le lunedi

on-page two = al pagina duo

onset = initio

onslaught = assalto, attacco

Ontario = (Canada) Ontario

on-time = a tempore

on-the-cheap = a bon mercato

on-the-right = al dext(e)ra

on-the-right-of = dextra

on-the-train = in le traino

on-the-thirteenth = le dece-tres 

onto = on

onus = responsabilitate, carga;
    (the - lies on) il incumbe a;
    (onward, -s) avante;
    (from now - ) a partir de ora

ooze = exsudar, guttar

opal = opalo

opaque = (of things) opac;
    (of people) obtuse

open = (not closed) aperte;
    (frank) franc;
    (free) libere;
    (opposite of close) aperir (se);
    (unfold) displicar;
    (start) inaugurar (se);
    (in the - ) a celo aperte;
    (wide - ) toto aperte open-enoeo sin limites

opener = aperitor

open-handed = liberal, generose

open-hearted = franc

opening = inaugural, prime;
    (gap) apertura;
    (of an exhibition, etc) inauguration

open-minded = impartial

open-mouthed = a bucca aperte

opera = opera;
    (light - ) opera comic

opera-glasses = binoculo

opera-house = opera, theatro del opera

operate = (work) operar;
    (a machine) manovrar;
    (medical) operar;
    (function) functionar

operatic = de opera

operating = operante, functionante

operating-theater = (- theater) sala de operation

operation = (action; med.) operation;
    (functioning)
    (be in - ) functionar;
    (come into - ) devenir effective, mitter se in practica;
    (put into - ) mitter in practica

operative = (practical) operative;
    (medical) operatori;
    obrero;
    (become - ) prender effecto

operator = (worker) operator;
    (telephonist) telephonista

operetta = operetta

opiate = opiate;
    opiato

opinion = opinion, aviso;
    (be of the - ) esser de opinion;
    (express an - ) emitter un opinion;
    (form an - about) formar se un opinion super;
    (have a good - of) haber bon opinion de;
    (in my - ) in mi opinion;
    (public - ) opinion public

oplnionated = opinionose

opium = opium, *opio

opium-addict = *opiomano

opponent = adversario, antagonista, opponente

opportune = opportun

opportunist = opportunista

opportunity = (chance) occasion;
    (opportuneness) opportunitate;
    (at the earliest - ) al prime occasion;
    (if the - arises) si le occasion se presenta;
    (seize the - ) sasir le occasion

oppose = (be against) opponer se a;
    (set up against) opponer

opposed = opponite, *opposte, hostil

opposing = opponente

opposite = opposite, inverse;
    contra;
    opposito; prep contra;
    (in the - direction) in senso inverse;
    (the - sex) le altere sexo

opposition = (confrontation) opposition;
    (resistance) resistentia;
    (competition) concurrentia

oppress = opprimer

oppression = oppression

oppressive = (overwhelming) oppressive;
    (of weather) suffocante

oppressor = oppressor

opt = optar

optic = optic

optical = optic

optical-illusion = illusion optic

optician = optico

optics = optica 

optimism = optimismo

optimist = optimista

optimistic = optimista

option = option

optional = optional, facultative

optionally = *optionalmente

opulence = opulentia

opulent = opulente

or = o;
    (a mile - so) circa un millia

or else = si non, alteremente

oracle = oraculo

oral = oral;
    examine oral

orally = *oralmente

orange = orange

orange tree = orangiero

orangutang = (-outang) *orangutan

oration = oration

orator = orator

oratorical = oratori

oratorio = oratorio

oratory = (art) oratoria;
    (place) oratorio

orb = orbe

orbit = orbita

orbital = orbital

orchard = verdiero, jardin de fructos

orchestra = orchestra

orchestrate = orchestrar

orchestration = orchestration

orchid = orchidea

ordain = ordinar, statuer

ordeal = (hard time) prova sever;
    fordalia

order = (electrical) ordine, ordinantia;
    (business) commanda;
    (milit.) commando;
    (money) mandato;
    (series) succession;
    (electrical) ordinar;
    (command) mandar;
    (command, control, request) commandar;
    (in - ) in ordine, ordinate;
    (in - that) a fin que;
    (in - to) pro (plus ... ;
    (keep in - ) mantener in ordine;
    (law and - ) ordine public;
    (made to - ) fabricate sur commanda;
    (out of - ) in reparation, non functiona;
    (put in - ) ordinar, poner in ordine;
    (put out of - ) disordinar

order-of-the-day = ordine del die.

orderliness = bon ordine, disciplina

orderly = (regular) ordinate, methodic;
    (of behaviour) formal; 
    (milit.) ordinantia, planton;
    (in hospital) adjutante de hospital

ordinal = ordinal

ordinally = *ordinalmente, *in ordine

ordinarily = normalmente, ordinarimente

ordinary = ordinari, usual;
    ordinario;
    (out of the - ) exceptional

ordinary-seaman = marinero simple

ordination = ordination

ordnance = artilleria

ordnance-survey = servicio cartographic

ordnance-survey-map = mappa del stato major

ore = mineral;
    (iron - ) ferro mineral

organ = (all senses) organo

organic = organic, organisate

organism = organismo

organist = organista

organization = organisation, arrangiamento

organize = (arrange) organisar, arrangiar;
    (of trade union) syndicar

organizer = organisator

orgasm = forgasmo

orgy = (revelry) orgia, bacchanal;
    profusion

orient = oriente;
    orientar (se)

oriental = oriental

orientate = orientar (se)

orientation = orientation

orifice = orificio

origin = origine, provenientia

original = original

originally = *originalmente

originality = originalitate

originate = originar, initiar, nascer

originate-from = originar de

origination = origination, creatior

originator = originator, creator, autor

ornament = ornamento, imbellimento;
    ornamentar, ornar imbellir

ornamental = ornamental

ornamentally = *ornamentalmente

ornamentation = ornamentation, imbellimento

ornate = ornate

ornithologist = ornithologista, ornithologo

ornithology = ornithologia

orphan = orphano

orphanage = orphanato

orphaned = orphano

orthodox = orthodoxe;
    orthodoxo

orthoddxy = orthodoxia

orthography = orthographia

orthopedic = (-thopae-) orthopedic

orthopedics = (-thopae-) orthopedia

orthopedist= (-thopae-) orthopedista

oscillate = oscillar, fluctuar

oscillation = oscillation, fluctuation

oscillator = *oscillator

oscilloscope = *oscilloscopio

ossify = ossificar (se)

ostensible = ostensibile, pretense

ostentatious = ostentatiose, fastose

osteopath = *osteopathico

ostracism = ostracismo

ostracize = ostracisar

ostrich = avestruthio

other = altere;
    alteremente;
    (each - ) le un(es) le altere(s);
    (every - month) omne duo menses;
    (on the - hand) de altere parte;
    (see things - than what they are) vider le cosas alteremente que illos lo son

otherwise = alias, alteremente

otter = flutra

ouch = *eheu

ought = (anything) alique, qualcosa;
    (nothing) nihil, nil;
    deberea ...

ounce = uncia

our = nostre

ours = le nostre(s)

ourselves = (object pron) nos;
    (emphatic pron) ipse, mesme

oust = evincer, expeller

out = foras;
    (put - a fire, extinguish) extincter le foco;
    foras; go - sortir;
    (hand - ) distribuer;
    (look - !) attention!;
    (sports) out!;
    (made - of) fabricate de;
    (one - of three) un super tres

out-and-out = complete

out-of = foras de, ex;
    (through) per

out-of-bounds = foras del limites

out-of-danger = foras de periculo

out-of-date = (old) antiquate;
    (lapsed) perimite

out-of-fashion = foras de moda

out-of-his-mind = foras de su mente

out-of-kindness = per benevolentia

out-of-luck = foras de sorte

out-of-money = curte de moneta

out-of-order = (untidy) disordinate;
    (broken) in reparation

out-of-respect = per respecto

out-of-sorts = indisposite

out-of-stock = exhaurite

out-of-the-house = ex casa

out-of-the-drdinary = foras del commun

out-of-the-question = impossibile

out-of-the-way = (remote) remote;
    (over) terminate
    *via!, *foras!

out-of-work = disoccupate.

out-bid = offerer plus

out-board = foras de bordo, exterior

out-break = (eruption) eruption;
    (of disease) prime manifestation, epidemia;
    (of crime) serie

out-burst = eruption, explosion

out-cast = expulsate, proscripte, bannite;
    (outlaw) proscripto, bannito;
    (social) paria

out-class = exceller, esser superior

out-come = consequentia, successo

out-cry = crito de indignation, clamor, protesto

out-do = superar, superpassar

out-door = exterior, al aere libere

out-doors = al aere libere

outer = externe, exterior

out-fit = (tools) equipamento;
    (clothes) trousseau

out-fitter = fornitor, negotiante (in articulos de vestimento)

out-going = (of mail) de partita;
    (of person) sortiente, cessante;
    (of temperament) extrovertite

out-grow = devenir troppo grande pro

out-house = edificio accessori

outing = excursion;
    (go on an - ) facer un excursion

outlandish = (odd) bizarre;
    (remote) remote

outlast = superviver a

outlaw = proscripto;
    proscriber

outlay = dispensa

outlet = (duct) emissario, escappamento;
    (electrical) prisa de currente

outline = (profile) contorno, profilo, silhouette;
    (sketch) schizzo;
    (profile) contornar, traciar;
    (sketch) schizzar

outlive = superviver a

outlook = aspecto, perspectiva, prospecto, vista 

outlying = remote, eccentric

outmaneuvre = (-noeuv-) superar in strategia

outmatch = superar 

outmodeo = antiquate, obsolete

outnumber = esser plus numerose que

out-of-date = (lapsed) perimite;
    (old) antiquate, obsolete

outpatient = patiente externe

outfost = avantiata, posto avantiate

output = (of worker) production;
    (of machine) rendimento

outrage = ultrage;
    ultragiar

outrageous = ultragiose, excessive, exorbitante

outright = franc;
    completemente

outrun = ultrapassar, distantiar

outset = initio, principio

out-side = exterior, externe;
    extra, foras;
    exterior;
    extra;
    (at the - ) al maximo

outsider = (stranger) estraniero;
    (horse) outsider

outsize = foras de mesura 

outskirts = suburbio, peripheria

outspoken = franc

outspokenness = franchitia

outstanding = (eminent) eminente;
    (due) debite

outstay = restar troppo longo, fatigar le amicabilitate de

outstretched = extendite

outstrip = ultrapassar, distantiar

outward = exterior, externe

outwaroly = al exterior, apparentemente

outwards = verso le exterior

outwear = (use up) usar completemente;
    (last longer) durar plus longe

outweigh = (be heavier) pesar plus que;
    exceder

outwit = circumvenir, contrariar, frustrar

outworn = (used up) usate;
    (out-of-date) antiquate, obsolete

oval = oval

ovary = ovario

ovation = ovation

oven = (for baking) furno;
    (cooker) apparato de cocer

over = finite;
    (on top) super;
    (in excess) de plus;
    (above) super, supra;
    (across) trans;
    (during) durante;
    (bend - ) replicar;
    (climb - ) transgreder;
    (fall - ) laber;
    (hand - ) transferer;
    (knock - ) abatter;
    (finished, all - ) finite;
    (everywhere) ubique;
    (all - again) de nove

over-and-over = *vice post vice

over-and-over-again = reiteratemente

over-here = per hic

over-there = per illac.

overall = general, global;
    generalmente;
    supertoto

overbalance = perder le equilibrio

overbearing = imperiose

overboard = super le bordo, in aqua, in mar

overburden = supercargar

overcast = obnubilate

overcharge = pretio excessive;
    supercargar, demandar troppo

overcoat = paletot, supertoto

overcome = superar, vincer

overconfident = troppo confidente, presumptuose

overcrowded = troppo reimplite, congerite

overdo = ultrar;
    (overcook) ultra cocer;
    (pull too hard) ultra tirar

overdose = dose troppo forte

overdraft = conto a *discoperto, credito sin copertura


overdraw = traher a *discoperto

overdue = (payment) arretrate;
    (transport) retardate

overeat = mangiar troppo

overelaborate = troppo complicate;
    complicar troppo

overestimate = valutation excessive;
    valutar excessivemente

overexcited = exaltate, superexcitate

overexcitement = exaltation, superexcitation

overexertion = abuso de su fortias

overfamiliar = troppo intime

overfeed = superalimentar

overfeeding = superalimentation

overfill = reimpler troppo

overflow = disbordamento;
    disbordar, inundar

overgrown = coperite, incombrate

overhang = esser saliente (super)

overhaul = examine detaliate, inspection general;
    examinar in detalio, refacer

overhead = aeree;
    in supra

overhead-projector =
    *projector in supra

overheads costos general

overhear = audir per casualitate, surprender

overheat = calefacer troppo

overheating = supercalefaction

overindulge = (child) guastar;
    (taste) facer abuso de excessive

overjoyed = multo felice, transportate de gaudio

overland = terrestre, super terra

overlap = (partial cover) *imbrication;
    duplication partial;
    (cover partially) *imbricar;
    duplicar, coincider

overlay = copertura;
    coperir

overleaf = al verso

overloao = supercarga;
    supercargar

overlook = (ignore) passar super, clauder le oculos a;
    (have prospect of) dar super

overlying = superponite

overnight = durante le nocte, pro un nocte

overpayment = superpaga

overpopulateo = excessivemente populate, superpopulate

overpower = dominar, subjugar,

overpowering = irresistibile, abattente

overrate = valutar excessivemente, exaggerar

overreach = uitrapassar

overreaction = reaction excessive

override = (go beyond) passar super, ultrapassar;
    (be more important) haber plus de importantia

overriding =importantissime

overripe = troppo matur

overrule = annullar, decider contra

overrun = infestate;
    (invade) invader;
    (exceed) exceder

overseas = de ultramar;
    ultramar

oversee = surveliar

overseer = surveliante

overshadow = adumbrar, eclipsar

overshoot = ultrapassar

oversight = (omission) inadvertentia;
    (surveillance) surveliantia

oversimplification = simplification excessive, explication troppo simple

oversize = excessivemente grande

oversleep = dormir troppo longe

overspend = expender troppo

overstate = exaggerar

overstatement = exaggeration

overstrain = tension excessive;
    supercargar

overt = evidente, patente

overtake = (surprise) surprender;
    (of vehicles) passar

overtax = abusar, exceder

overthrow = subversion;
    (overcome) subverter, superar;
    (dethrone) disthronar

overtime = horas extraordinari

overtone = *harmonico;
    nota, suggestion

overture = overtura

overturn= inverter (se)

overvalue = excessivemente evalutar

overweight = troppo pesante;
    excesso de peso

overwhelm = (of waves) inundar subito, submerger;
    superar,

overwhelming = (irresistible) invincibile;
    (of argument) convincente

overwork = excesso de labor;
    supercargar;
    troppo laborar

overwrought = multo agitate, superexcitate

ovulate = ovular

ovum = ovo

ow = *eheu

owe = deber

owing = debite

owing-to = a causa de, gratias a

owl = uluco

own = proprie;
    (possess) posseder;
    (admit) admitter

own-up = confessar

owner = proprietario, possessor

ownership = possession, proprietate

ox = bove

oxen = boves

oxide = oxydo

oxidization = oxydation

oxidize = oxydar

oxtail = cauda de bove

oxyacetylene = *oxyacetylenic

oxygen = oxygeno

oyster = ostrea

oyster-bed = ostreiera

ozone = ozono