Lemmario Inglese Italiano A B C D E F G H I J K L M N O P Q R S T U V W X Y Z -or -ory -osis -ous O & M O 2 O-level O/S OA OAO OAP OAPEC OAS OASDI OAU OBE OBTW OC OCD OCR OD OD ODI OE OECD OED OEEC OEM OFM OFT OG OGM OH OHC OHMS OHP OJ OK 1 OK 1 OK 2 OM OMG ON OP OPEC OPS OR OS OSCE OSHA OST OT OTC OTOH OTT OU OUP Oberon Obie Oc. Occident Oceania Oceanian Oceanus Oct. Octavia Octavian Octavius October Odin Odoacer Odysseus Odyssey Oedipus Ofcom Offa Ofgem Ofsted Ofwat Ohio Okie Okla. Oklahoma Old Glory Olga Oligocene Olive Oliver Olivia Olivier Olympia Olympiad Olympian Olympic Olympus Oman Omani Ont. Ontario Op. Open University Ophelia Or. Orange Orangeman Oratorian Orcadian Ordovician Oreg. Oregon Orestes Oriental Orinoco Orion Orkney Islands Orlando Orlon Orléans Orphean Orpheus Orphic Orphism Orson Osbert Oscar 1 Oscar 2 Osiris Osmund Ossian Ossianic Ostend Ostrogoth Ostrogothic Oswald Othello Otho Ottawa Otto Ottoman Ouija board Our Father Ouse Ovid Ovidian Owen Ox. Oxbridge Oxfam Oxford Oxfordshire Oxon Oxonian O’ o 1 o 2 o.e. o.n.o. o.p. o/c oaf oafish oak oak apple oak bark oak gall oak pest oak-apple day oaken oakum oar oar oarlock oarsman oarsmanship oarswoman oasis oast oat oatcake oater oath oatmeal ob-gyn obduracy obdurate obedience obedient obeisance obelisk obese obesity obey obfuscate obfuscation obit obiter dictum obituarist obituary obj. object object object glass object lesson objectification objectify objection objectionable objective objectivism objectivity objector objet d’art oblate 1 oblate 2 oblateness oblation obligate obligated obligation obligatory oblige obliged obligee obliger obliging obligor oblique oblique obliqueness obliterate obliteration obliterator oblivion oblivious oblong obloquy obnoxious oboe oboist obol obs. obscene obscenity obscurantism obscurantist obscuration obscure obscure obscurity obsequies obsequious observable observance observant observation observation car observational observatory observe observer obsess obsessed obsession obsessional obsessive obsessive-compulsive obsidian obsolesce obsolescence obsolescent obsolete obstacle obstetric(al) obstetrician obstetrics obstinacy obstinate obstreperous obstruct obstruction obstructionism obstructionist obstructive obtain obtainable obtected obtrude obtruder obtrusion obtrusive obtund obturate obturation obturator obtuse obverse obviate obvious occasion occasion occasional occasionalism occasionally occidental occidentalism occidentalize occipital occipitocervical occipitofrontal occipitoparietal occipitotemporal occiput occlude occlusion occult occult occultation occulted occultism occultist occupancy occupant occupation occupational occupier occupy occur occurrence ocean ocean-going oceanic oceanographer oceanographic(al) oceanography ocellate(d) ocellus ocelot och ochre ochreous octad octagon octagonal octahedrite octahedron octal octameter octane octanol octant octave octave-flute octavo octene octet octette octillion octodecimo octogenarian octonary octopus octopus strap octoroon octosyllabic octosyllable octyl octyl- octylic ocular oculist oculomotor odalisque odd odd-job man odd-looking odd-shaped oddball oddity oddly oddment oddness odds odds and ends odds-on ode odeum odious odium odometer odontalgia odontalgic(al) odontalgy odontist odontoblast odontogenesis odontoglossum odontoid odontological odontologist odontology odontoma odor odoriferous odorize odorous odour odourless oedema oeil-de-boeuf oem oenological oenologist oenology oesophageal oesophagus oestrogen oestrum of ofay off off off beam off chance off colour off limits off-Broadway off-air off-balance off-balance-sheet off-board off-centre off-day off-duty off-guard off-key off-licence off-line off-load off-message off-peak off-piste off-print off-putting off-road vehicle off-screen off-season off-site off-street off-the-cuff off-the-peg off-the-record off-the-shelf off-the-wall off-white off-year off. offal offbeat offence offenceless offend offender offending offense offensive offer offer offeree offerer offering offertory offhand offhanded offhandedness office office boy office worker officeholder officer officer official official receiver officialdom officialese officiant officiate officinal officious offing offish offscourings offset offset offsetting offshoot offshore offshore offshoring offside offspring offstage offward oft often oftentimes ogam ogee ogham ogival ogive ogle ogle ogre ogreish ogress oh ohm ohmmeter oi oik oil oil oil beetle oil meal oil mill oil nut oil of vitriol oil palm oil pan oil pipeline oil rig oil shale oil tanker oil-bearing oil-field separator oil-fired oil-free oil-plant oilbird oilcake oilcan oilcloth oilcup oiled oiler oilfeeder oilfield oiliness oilless bearing oilman oilpaper oilseed oilskin oilstone oily oink oink ointment okapi okay okey-doke(y) okra old old boy old economy old girl old hand old lady old man old man’s beard old master old wives’ tale old woman old-fashioned old-school old-style old-time old-timer old-world olde olde worlde olden oldie oldish oldness oldster ole oleaginous oleander oleaster oleate olecranon olefin(e) olefinic oleic olein oleograph olfactory olibanum olig(a)emia olig(a)emic olig(o)- oligarch oligarchic(al) oligarchy oligoclase oligocythemia oligodendrocyte oligodendroglia oligoelement oligohydramnios oligomer oligomycin oligonucleotide oligopeptide oligophrenia oligophrenic oligopolist oligopoly oligopsonist oligopsony oligosaccharide oligospermia oliguria olio olivaceous olivary olive olive drab olive-coloured olive-skinned olivenite olivine olm ology omasum ombre ombrometer ombrophilous ombrophobous ombroscope ombudsman ombudswoman omega omelet(te) omen omen omentum omicron ominous omissible omission omit omni- omni-directional omnibus omnifarious omnipotence omnipotent omnipresence omnipresent omnirange omniscience omniscient omnium gatherum omnivore omnivorous omoplate omphalocele omphalos on on-and-offer on-board on-licence on-message on-screen on-site on-stream on-the-job on-the-spot on-trend onager onanism onanist once once-over oncer oncogene oncogenesis oncogenic oncologic(al) oncologist oncology oncoming oncoprotein oncost oncosuppressor one one another one percent milk one-armed one-armed bandit one-click one-eyed one-horse one-legged one-liner one-man one-night stand one-of-a-kind one-off one-on-one one-parent one-piece one-sided one-stop one-time one-to-one one-track one-upmanship one-way one-woman oneiric oneirocritic oneirology oneiromancy oneness onerous oneself ongoing onion onion marble onionskin oniony online onliner onlooker only onomastic onomatopoeia onomatopoeic onrush onrushing onset onshore onside onslaught onstage onto ontogenesis ontogenetic ontogeny ontological ontologist ontology onus onward onward(s) onychophagia onychosis onyx oo- ooblast oocyst oocyte oodles oogamete oogamous oogamy oogenesis oogenetic oogley oogonium ooh ook oolite oolith oolitic oomph oophore oophoric oops oosperm oosphere oospore ooze 1 ooze 2 ooze 2 oozy op 1 op art op artist op-ed op. cit. opacity opah opal opalescence opalescent opaline opaque ope open open open day open door open house open necked open sesame open shop open verdict open-air open-and-shut open-door open-end open-ended open-eyed open-handed open-heart surgery open-hearth open-minded open-mouthed open-pit open-plan open-source open-top opencast opencut opener opening openly openness openwork opera 1 opera 2 opera glass(es) operable operant operate operatic operating operating theatre operation operational operative operatively operator operculum operetta operon operose operoseness ophicleide ophidian ophiolite ophiology ophite ophiuran ophthalmia ophthalmic ophthalmologic(al) ophthalmologist ophthalmology ophthalmoscope ophthalmoscopic ophthalmoscopy ophthalmotropometer ophthalmotropometry opiate opiate opine opinion opinionated opisthotonus opium opium eater opium smoker opossum oppidan opponent opportune opportunism opportunist opportunistic opportunity opposable oppose opposed opposer opposing opposite opposite number opposition oppress oppressed oppression oppressive oppressor opprobrious opprobrium oppugn oppugner opsonin opt opt-out optative optic optical optician optics optimal optimality optimate optimism optimist optimistic optimization optimize optimum option option card optional optometer optometric optometrist optometry opulence opulent opuntia opus or 1 or 2 orach(e) oracle oracular oral orality orally orange orange peel orangeade orangery orangey orangutang orate oration orator oratorial oratorical oratorio oratory 1 oratory 2 orb orb orbed orbicular orbit orbit orbital orcein orch. orchard orchardist orchestra orchestral orchestrate orchestration orchestrator orchestrina orchid orchidaceous orchiectomy orchiopexy orchis orchitis ordain ordainer ordeal order order order paper ordered ordering orderliness orderly ordinal ordinance ordinand ordinarily ordinary ordinate ordination ordnance ordure ore oregano oreide orfe org org. organ organ loft organ-grinder organ-pipe organdie organelle organic organicism organicist organicistic organism organist organizable organization organizational organize organized organizer organogenesis organogenic organogeny organogram organoleptic organological organology organometallic organon organophosphate organoscopy organotherapy organum organza organzine orgasm orgasmic orgastic orgeat orgiastic orgy oriel orient orient orientalism orientalist orientalization orientalize orientate orientated orientation oriented orienteering orifice oriflamme origami origanum origin original originality originate originating origination originator orinasal oriole orison orlop ormer ormolu ormolu varnish ornament ornament ornamental ornamentation ornate ornery ornith. ornithological ornithologist ornithology ornithomancy ornithorhynchus ornithosis orogene orogenesis orogenic orogeny orographic(al) orography oroide orology oromandibular oronasal oropharyngeal oropharynx orophyte orotund orotundity orphan orphan orphanage orphanhood orphray orpiment orrery orris 1 orris 2 ort orthesis orthicon ortho- orthocentre orthochromatic orthoclase orthodontia orthodontic orthodontics orthodontist orthodox orthodoxy orthodrome orthoepic(al) orthoepy orthogenesis orthogenetic orthogonal orthographic(al) orthography orthomorphic orthop(a)edic orthop(a)edics orthop(a)edist orthop(a)edy orthophosphoric orthopnea orthopsychiatric orthopsychiatry orthopteran orthoptic orthoptics orthoptist orthoscope orthoscopic orthoscopy orthostatic orthostatism orthotonos ortolan oryx oscillate oscillation oscillator oscillatory oscillogram oscillograph oscillography oscillometer oscilloscope osculant oscular osculate osculating osculation osculatory osculum osier osiery osmate osmic osmiridium osmium osmometer osmose osmosis osmotaxis osmotic osmous osmund osprey ossein osseous ossicle ossification ossifrage ossify ossuary osteitis ostensible ostensibly ostension ostensory ostentation ostentatious osteo- osteoarthritis osteoblast osteoclasia osteoclast osteocyte osteogenesis osteoid osteological osteology osteoma osteomalacia osteomyelitis osteon osteopath osteopathic osteopathy osteophyte osteoporosis osteoporotic osteosarcoma osteosclerosis osteosis osteotome osteotomy ostiary ostler ostracism ostracize ostrich otalgia otalgic other otherness otherwise otherworld otherworldliness otherworldly otic otiose otitic otitis oto- otogenic otolaryngologist otolaryngology otolith otology otorhinolaryngologist otorhinolaryngology otoscope otoscopy otter otto ottoman ouabain oubliette ouch ought 1 ought 2 ought 3 oughta oughtest oughtn’t ounce 1 ounce 2 our ours ourself ourselves ousel oust ouster out out out of doors out of phase out of style out tray out- out-Herod out-and-out out-knee out-of-body out-of-date out-of-pocket out-of-the-money out-of-the-way out-of-town out-of-work outa outact outage outargue outasight outback outbalance outbargain outbid outboard outbound outbox outbrave outbreak outbreed outbreeding outbuilding outburn outburst outcast outcaste outcaste outclass outcome outcrop outcrop outcry outdare outdated outdid outdistance outdo outdoor outdoors outer 1 outer 2 outermost outerwear outface outfall outfield outfielder outfight outfit outfit outfitter outfitting outflank outflow outfly outfought outfox outgas outgassing outgeneral outgiving outgo outgo outgoing outgone outgrow outgrowth outguess outgun outhouse outing outland outlander outlandish outlast outlaw outlaw outlawing outlay outlay outlet outlier outline outline outlive outlook outlying outmanoeuvre outmarch outmatch outmoded outmost outnumber outpace outpatient outperform outplacement outplay outpoint outpost outpour outpouring output output outrage outrage outrageous outran outrange outrank outreach outreach outreign outride outrider outrigger outright outrival outroar outrode outroot outrun outrunner outrush outré outsail outsell outset outshine outshoot outside outside broadcast outside calliper outsider outsize outsized outskirts outsleep outsmart outsold outsource outsourcing outspan outspoken outspread outspread outstanding outstandingly outstare outstation outstay outstep outstretched outstrip outta outtake outtalk outturn outvie outvote outwalk outward outwardly outwards outwash outwear outweigh outwent outwit outwith outwore outwork outwork outworker outworn ouzel ouzo oval ovalbumin ovarial ovarian ovariectomy ovariotomy ovaritis ovary ovate ovation oven oven-bird ovenproof ovenware over over- over-active over-the-counter over-the-top overabundance overabundant overachieve overact overage overall 1 overall 2 overalls overarch overarching overarm overate overawe overbalance overbalance overbear overbearing overbid overblouse overblow overblown overboard overboil overbold overbook overbooking overbore overborne overbought overbridge overbrim overbuild overbuilt overburden overburden overburdened overbusy overbuy overcall overcame overcapacity overcapitalize overcareful overcast overcast overcautious overcharge overcharge overclock overclock overcloud overcoat overcome overcompensate overcompensation overconfidence overconfident overcooked overcrop overcrowd overcrowded overcrowding overdevelop overdeveloped overdo overdone overdose overdose overdraft overdraw overdress overdressed overdrew overdrive overdrive overdue overeat overemphasize overemphasizing overestimate overestimate overexcitable overexcite overexcited overexcitement overexert overexpose overexposure overextend overfall overfeed overfeeding overfill overfish overflew overflight overflow overflow overflowing overfly overfond overfull overgarment overground overgrow overgrown overgrowth overhand overhang overhang overhanging overhaul overhaul overhead overhead projector overhead-travelling crane overhear overheat overheated overheating overhung overindulge overindulgence overinsurance overinvoicing overissue overissue overjoyed overkill overkind overladen overlaid overlain overland overlap overlap overlapping overlay 1 overlay 1 overlay 2 overleaf overleap overlie overload overload overlook overlord overlordship overly overlying overman overmanned overmanning overmasted overmaster overmatch overmatch overmodest overmuch overnice overnight overpaid overparenting overparted overpass overpass overpay overpayment overpeople overpitch overplay overplus overpopulated overpopulation overpower overpowering overpraise overprice overpriced overprint overprize overproduce overproduction overproof overprotect overprotective overran overrate overrated overreach overreact overrefine overrefinement overrent override overriding overripe overrode overrule overruling overrun overrun overrunning oversampling oversaw overscore oversea overseas oversee overseen overseer overseership oversell oversensitive oversensitiveness overset oversew oversexed overshade overshadow overshoe overshoot overshoot overshooting overshot overside oversight oversimplified oversimplify oversimply oversize oversized overskirt oversleep oversleeve overslept oversold oversoul overspend overspent overspill overspread overstaffed overstate overstatement overstay overstep overstimulation overstock overstock overstrain overstrain overstress overstress overstretch overstretched overstrung overstuff oversubscribe oversubscribed oversubscription oversupply oversupply oversway overt overtake overtaking overtask overtax overthink overthrew overthrow overthrow overthrust overtime overtire overtired overtone overtook overtop overtower overtrade overtrain overtrump overture overturn overturn overtype overuse overuse overvalue overview overvoltage overweening overweigh overweight overwhelm overwhelming overwind overwork overwork overworked overwound overwrite overwrought oviduct oviferous oviform ovine oviparous ovoid ovoviviparous ovular ovulate ovulation ovulatory ovule ovum ow owe owing owl owl light owlet owlish own own own goal owner owner-occupier ownerless ownership ox ox-eye daisy ox-eyed oxalate oxalic oxalis oxalite oxaluria oxazole oxbow oxcart oxen oxford oxhide oxidant oxidase oxidation oxidation-reduction oxide oxidize oxidizer oxidizing oxidoreductase oxime oximeter oximetry oxine oxlip oxo process oxo- oxonium oxtail oxy- oxyacetylene oxygen oxygen acid oxygenase oxygenate oxygenation oxygenator oxygenic oxygenize oxygenous oxyhydrogen oxymoron oxytocic oxytocin oxytone oxyuriasis oyer oyes oyster oyster knife oyster man oyster plant oystercatcher oz ozocerite ozone ozone-friendly ozonic ozonization ozonize ozonizer ozonometry ozonosphere ozonotherapy ozzie o’ o’clock o’er
