There are in total 1480 words starting with the letter O and 9 letters in length. Word Length oakenshaw 9 oakleaves 9 oakmosses 9 oanshaghs 9 oarfishes 9 oarswoman 9 oarswomen 9 oasthouse 9 obbligati 9 obbligato 9 obconical 9 obcordate 9 obducting 9 obduction 9 obdurated 9 obdurates 9 obeahisms 9 obedience 9 obeisance 9 obeliscal 9 obelising 9 obelizing 9 obeseness 9 obesities 9 obesogens 9 obfuscate 9 objectify 9 objecting 9 objection 9 objective 9 objectors 9 objurgate 9 oblations 9 obligable 9 obligants 9 obligated 9 obligates 9 obligator 9 obligatos 9 obliquely 9 obliquest 9 obliquing 9 obliquity 9 oblivions 9 oblivious 9 oblongata 9 obloquial 9 obloquies 9 obnoxious 9 obovately 9 obreption 9 obscenely 9 obscenest 9 obscenity 9 obscurant 9 obscurely 9 obscurers 9 obscurest 9 obscuring 9 obscurity 9 obsecrate 9 obsequent 9 obsequial 9 obsequies 9 observant 9 observers 9 observing 9 obsessing 9 obsession 9 obsessive 9 obsessors 9 obsidians 9 obsignate 9 obsigning 9 obsolesce 9 obsoleted 9 obsoletes 9 obstacles 9 obstetric 9 obstinacy 9 obstinate 9 obstructs 9 obstruent 9 obtainers 9 obtaining 9 obtempers 9 obtending 9 obtention 9 obtesting 9 obtruders 9 obtruding 9 obtrusion 9 obtrusive 9 obtundent 9 obtunding 9 obtundity 9 obturated 9 obturates 9 obturator 9 obumbrate 9 obvention 9 obversely 9 obversion 9 obverting 9 obviating 9 obviation 9 obviators 9 obviously 9 obvoluted 9 obvolvent 9 occasions 9 occidents 9 occipital 9 occludent 9 occluders 9 occluding 9 occlusion 9 occlusive 9 occlusors 9 occulters 9 occulting 9 occultism 9 occultist 9 occupance 9 occupancy 9 occupants 9 occupated 9 occupates 9 occupiers 9 occupying 9 occurrent 9 occurring 9 oceanaria 9 oceanauts 9 oceanides 9 oceanside 9 oceanview 9 oceanward 9 ocellated 9 ocheriest 9 ochidores 9 ochlocrat 9 ockerisms 9 ocnophils 9 ocotillos 9 octachord 9 octagonal 9 octahedra 9 octameter 9 octangles 9 octaploid 9 octapodic 9 octaroons 9 octastich 9 octastyle 9 octennial 9 octillion 9 octofoils 9 octohedra 9 octonarii 9 octoploid 9 octopodan 9 octopodes 9 octopuses 9 octoroons 9 octostyle 9 octothorp 9 octuplets 9 octupling 9 ocularist 9 odaliques 9 odalisque 9 oddnesses 9 oddsmaker 9 odiferous 9 odographs 9 odometers 9 odonatist 9 odontalgy 9 odontists 9 odontoids 9 odontomas 9 odorisers 9 odorising 9 odorizers 9 odorizing 9 odorously 9 odourless 9 oecologic 9 oecumenic 9 oedipally 9 oedometer 9 oeillades 9 oenanthic 9 oenomancy 9 oenomania 9 oenometer 9 oenophile 9 oenophils 9 oenophily 9 oenothera 9 oerlikons 9 oesophagi 9 oestriols 9 oestrogen 9 oestrones 9 oestruses 9 offbreaks 9 offcomers 9 offcutter 9 offenders 9 offending 9 offensive 9 offerable 9 offerings 9 offertory 9 offgassed 9 offhanded 9 officered 9 officials 9 officiant 9 officiary 9 officiate 9 officinal 9 officious 9 offloaded 9 offprints 9 offroader 9 offsaddle 9 offscreen 9 offseason 9 offshoots 9 offshored 9 offshores 9 offsiders 9 offspring 9 offstages 9 offstreet 9 offstumps 9 oftenness 9 oganesson 9 oghamists 9 ogreishly 9 ohmically 9 ohmmeters 9 oilcloths 9 oilfields 9 oilfishes 9 oilpapers 9 oilstones 9 ointments 9 oiticicas 9 okeydokey 9 oldladies 9 oldnesses 9 oldsquaws 9 oldstyles 9 oldtimers 9 oleaceous 9 oleanders 9 oleasters 9 olecranal 9 olecranon 9 oleograph 9 oleoresin 9 olfacting 9 olfaction 9 olfactive 9 olfactory 9 olibanums 9 oligaemia 9 oligaemic 9 oligarchs 9 oligarchy 9 oligemias 9 oligocene 9 oligogene 9 oligomers 9 oligopoly 9 oligurias 9 olinguito 9 oliphants 9 olitories 9 olivenite 9 olivettes 9 olivewood 9 ollycrock 9 ologoaned 9 ololiuqui 9 olympiads 9 omadhauns 9 omadhawns 9 ombrellas 9 ombrophil 9 ombudsman 9 ombudsmen 9 omelettes 9 ominously 9 omissible 9 omissions 9 omittable 9 omittance 9 ommatidia 9 omneities 9 omniarchs 9 omnibuses 9 omnieties 9 omnifying 9 omnirange 9 omnivores 9 omohyoids 9 omophagia 9 omophagic 9 omophoria 9 omoplates 9 omphacite 9 omphaloid 9 onanistic 9 onboarded 9 oncidiums 9 oncogenes 9 oncogenic 9 oncologic 9 oncolyses 9 oncolysis 9 oncolytic 9 oncometer 9 oncomings 9 oncomouse 9 oncostman 9 oncostmen 9 oncovirus 9 ondograms 9 ondograph 9 onenesses 9 onerously 9 ongaongas 9 onioniest 9 onionskin 9 onloading 9 onlookers 9 onlooking 9 onomastic 9 onrushing 9 onsetters 9 onsetting 9 onshoring 9 onslaught 9 ontically 9 ontogenic 9 ontologic 9 onychites 9 onychitis 9 onychiums 9 ooftishes 9 oogametes 9 oogeneses 9 oogenesis 9 oogenetic 9 oogoniums 9 oolachans 9 oolichans 9 oological 9 oologists 9 oompahing 9 oompahpah 9 oomycetes 9 oophorons 9 oospheres 9 oosporous 9 opacified 9 opacifier 9 opacifies 9 opacities 9 opalesced 9 opalesces 9 opensides 9 openworks 9 operagoer 9 operantly 9 operatics 9 operating 9 operation 9 operatise 9 operative 9 operatize 9 operators 9 operceles 9 opercular 9 opercules 9 operculum 9 operettas 9 operosely 9 operosity 9 ophidians 9 ophiolite 9 ophiology 9 ophiurans 9 ophiurids 9 ophiuroid 9 opificers 9 opinioned 9 opiumisms 9 opobalsam 9 opodeldoc 9 oppilated 9 oppilates 9 opponency 9 opponents 9 opportune 9 opposable 9 opposably 9 opposites 9 oppressed 9 oppresses 9 oppressor 9 oppugnant 9 oppugners 9 oppugning 9 opsimaths 9 opsimathy 9 opsomania 9 opsonised 9 opsonises 9 opsoniums 9 opsonized 9 opsonizes 9 optatives 9 optically 9 opticians 9 opticists 9 optimally 9 optimates 9 optimific 9 optimised 9 optimiser 9 optimises 9 optimisms 9 optimists 9 optimized 9 optimizer 9 optimizes 9 optionals 9 optionees 9 optioning 9 optometer 9 optometry 9 optophone 9 optronics 9 opulences 9 opulently 9 opuscular 9 opuscules 9 opusculum 9 oraculous 9 oralities 9 orangeade 9 orangerie 9 orangiest 9 orangutan 9 oratorial 9 oratorian 9 oratories 9 oratorios 9 oratrices 9 oratrixes 9 orbicular 9 orbitally 9 orchellas 9 orchestic 9 orchestra 9 orchidist 9 orchillas 9 ordainers 9 ordaining 9 ordaliums 9 orderable 9 orderings 9 orderless 9 orderlies 9 ordinaire 9 ordinally 9 ordinance 9 ordinands 9 ordinants 9 ordinated 9 ordinates 9 ordnances 9 orebodies 9 oreodonts 9 orepearch 9 orestunck 9 organdies 9 organelle 9 organical 9 organised 9 organiser 9 organises 9 organisms 9 organists 9 organized 9 organizer 9 organizes 9 organosol 9 organotin 9 organzine 9 orgasming 9 orgiastic 9 orgillous 9 oribatids 9 oricalche 9 orichalcs 9 oriencies 9 orientals 9 orientate 9 orienteer 9 orienters 9 orienting 9 orificial 9 oriflamme 9 origanums 9 originals 9 originary 9 originate 9 orillions 9 orinasals 9 orleanses 9 orlistats 9 ornaments 9 orneriest 9 ornithine 9 ornithoid 9 orogenies 9 orography 9 orologies 9 orologist 9 orometers 9 orotundly 9 orphanage 9 orphaning 9 orphanism 9 orpharion 9 orphreyed 9 orpiments 9 orrisroot 9 orseilles 9 ortanique 9 orthicons 9 orthoaxes 9 orthoaxis 9 orthocone 9 orthodoxy 9 orthoepic 9 orthopedy 9 orthopods 9 orthopter 9 orthoptic 9 orthostat 9 orthotics 9 orthotist 9 orthotone 9 orthroses 9 oscillate 9 oscitance 9 oscitancy 9 oscitated 9 oscitates 9 osculated 9 osculates 9 osmeteria 9 osmically 9 osmometer 9 osmometry 9 osmundine 9 osnaburgs 9 ossariums 9 ossatures 9 osseously 9 ossicular 9 ossifiers 9 ossifraga 9 ossifrage 9 ossifying 9 ossobucos 9 ossuaries 9 ostensive 9 ostensory 9 ostenting 9 osteocyte 9 osteoderm 9 osteogens 9 osteogeny 9 osteology 9 osteomata 9 osteopath 9 osteotome 9 osteotomy 9 ostiaries 9 ostinatos 9 ostiolate 9 ostleress 9 ostomates 9 ostosises 9 ostracean 9 ostracise 9 ostracism 9 ostracize 9 ostracode 9 ostracods 9 ostregers 9 ostriches 9 otherness 9 otherwise 9 otocystic 9 otolithic 9 otologies 9 otologist 9 otoplasty 9 otorrhoea 9 otoscopes 9 otoscopic 9 ottavinos 9 ottocento 9 ottrelite 9 oubliette 9 oughlying 9 oughtness 9 ouglieing 9 ouistitis 9 oulachons 9 ouroboric 9 ouroboros 9 ouroscopy 9 ourselves 9 outacting 9 outadding 9 outargued 9 outargues 9 outasight 9 outasking 9 outbacker 9 outbaking 9 outbarked 9 outbarred 9 outbawled 9 outbeamed 9 outbegged 9 outbidden 9 outbidder 9 outblazed 9 outblazes 9 outbleats 9 outblooms 9 outbluffs 9 outboards 9 outboasts 9 outbought 9 outbounds 9 outboxing 9 outbraved 9 outbraves 9 outbrawls 9 outbrazen 9 outbreaks 9 outbreeds 9 outbribed 9 outbribes 9 outbroken 9 outbuilds 9 outbulged 9 outbulges 9 outbulked 9 outburned 9 outbursts 9 outbuying 9 outcalled 9 outcapers 9 outcasted 9 outcastes 9 outcaught 9 outcavils 9 outcharge 9 outcharms 9 outcheats 9 outchided 9 outchides 9 outcities 9 outclimbs 9 outcooked 9 outcounts 9 outcrafty 9 outcrawls 9 outcrowds 9 outcrowed 9 outcrying 9 outcursed 9 outcurses 9 outcurved 9 outcurves 9 outdanced 9 outdances 9 outdaring 9 outdating 9 outdazzle 9 outdebate 9 outdesign 9 outdodged 9 outdodges 9 outdoorsy 9 outdreams 9 outdreamt 9 outdrinks 9 outdriven 9 outdrives 9 outdueled 9 outduring 9 outdwells 9 outearned 9 outeating 9 outechoed 9 outechoes 9 outercoat 9 outermost 9 outerwear 9 outfabled 9 outfables 9 outfacing 9 outfasted 9 outfawned 9 outfeasts 9 outfenced 9 outfences 9 outfields 9 outfights 9 outfigure 9 outfiring 9 outfished 9 outfishes 9 outfitted 9 outfitter 9 outflanks 9 outflings 9 outfloats 9 outflowed 9 outflying 9 outfooled 9 outfooted 9 outfought 9 outfoxing 9 outfrowns 9 outfumble 9 outgained 9 outgallop 9 outgamble 9 outgassed 9 outgasses 9 outgazing 9 outgiving 9 outglared 9 outglares 9 outgleams 9 outglowed 9 outgnawed 9 outgoings 9 outgroups 9 outgrowth 9 outguards 9 outguided 9 outguides 9 outgunned 9 outgushed 9 outgushes 9 outhandle 9 outharbor 9 outhauler 9 outhiring 9 outhitted 9 outhomers 9 outhoused 9 outhouses 9 outhowled 9 outhumors 9 outhumour 9 outhunted 9 outhustle 9 outhyring 9 outjested 9 outjinxed 9 outjinxes 9 outjockey 9 outjuggle 9 outjumped 9 outjutted 9 outkicked 9 outkilled 9 outkissed 9 outkisses 9 outlander 9 outlashed 9 outlashes 9 outlasted 9 outlaughs 9 outlaunce 9 outlaunch 9 outlawing 9 outlaying 9 outleaped 9 outlearns 9 outlearnt 9 outlinear 9 outliners 9 outlining 9 outlivers 9 outliving 9 outlooked 9 outloving 9 outluster 9 outlustre 9 outmanned 9 outmantle 9 outmaster 9 outmoding 9 outmoving 9 outmuscle 9 outnaming 9 outnesses 9 outnights 9 outnumber 9 outoffice 9 outpacing 9 outpaints 9 outpassed 9 outpasses 9 outpeeped 9 outpeered 9 outpeople 9 outpitied 9 outpities 9 outplaced 9 outplacer 9 outplaces 9 outplayed 9 outpoints 9 outpolled 9 outporter 9 outpoured 9 outpourer 9 outpowers 9 outprayed 9 outpreach 9 outpreens 9 outpriced 9 outprices 9 outprized 9 outprizes 9 outpsychs 9 outpulled 9 outpupils 9 outpursue 9 outpushed 9 outpushes 9 outputted 9 outputter 9 outquoted 9 outquotes 9 outracing 9 outraging 9 outraised 9 outraises 9 outrances 9 outranged 9 outranges 9 outranked 9 outrating 9 outraving 9 outreason 9 outreckon 9 outredded 9 outredden 9 outreigns 9 outrelief 9 outremers 9 outridden 9 outriders 9 outriding 9 outrigged 9 outrigger 9 outrivals 9 outroared 9 outrocked 9 outrolled 9 outrooper 9 outrooted 9 outropers 9 outrowing 9 outrunner 9 outrushed 9 outrushes 9 outsailed 9 outsavors 9 outsavour 9 outsaying 9 outscheme 9 outscolds 9 outscoops 9 outscored 9 outscores 9 outscorns 9 outscream 9 outseeing 9 outserved 9 outserves 9 outshamed 9 outshames 9 outshined 9 outshines 9 outshoots 9 outshouts 9 outsiders 9 outsights 9 outsinned 9 outskated 9 outskates 9 outskirts 9 outsleeps 9 outslicks 9 outsmarts 9 outsmells 9 outsmiled 9 outsmiles 9 outsmoked 9 outsmokes 9 outsnored 9 outsnores 9 outsoared 9 outsource 9 outspeaks 9 outspeeds 9 outspells 9 outspends 9 outspoken 9 outsports 9 outsprang 9 outspread 9 outspring 9 outsprint 9 outsprung 9 outstands 9 outstared 9 outstares 9 outstarts 9 outstated 9 outstater 9 outstates 9 outstayed 9 outsteers 9 outstrain 9 outstride 9 outstrike 9 outstrips 9 outstrive 9 outstrode 9 outstroke 9 outstrove 9 outstruck 9 outstunts 9 outsulked 9 outsummed 9 outswears 9 outsweeps 9 outswells 9 outswings 9 outtaking 9 outtalked 9 outtasked 9 outthanks 9 outthieve 9 outthinks 9 outthrobs 9 outthrown 9 outthrows 9 outthrust 9 outtongue 9 outtopped 9 outtowers 9 outtraded 9 outtrades 9 outtravel 9 outtricks 9 outtrumps 9 outvalued 9 outvalues 9 outvaunts 9 outvenoms 9 outvoiced 9 outvoices 9 outvoters 9 outvoting 9 outwaited 9 outwalked 9 outwardly 9 outwarred 9 outwashes 9 outwasted 9 outwastes 9 outweeded 9 outweighs 9 outwelled 9 outwhirls 9 outwicked 9 outwiling 9 outwilled 9 outwinded 9 outwinged 9 outwished 9 outwishes 9 outwitted 9 outworked 9 outworker 9 outworlds 9 outworths 9 outwrests 9 outwrites 9 outyelled 9 outyelped 9 outyields 9 ouvrieres 9 ovalbumin 9 ovalities 9 ovarioles 9 ovational 9 ovenbaked 9 ovenbakes 9 ovenbirds 9 ovenproof 9 ovenwares 9 ovenwoods 9 overacted 9 overacute 9 overalert 9 overalled 9 overarmed 9 overawing 9 overbaked 9 overbakes 9 overbanks 9 overbears 9 overbeats 9 overbills 9 overbites 9 overblown 9 overblows 9 overboard 9 overboils 9 overbooks 9 overboots 9 overborne 9 overbound 9 overbrake 9 overbreed 9 overbrief 9 overbrims 9 overbroad 9 overbrows 9 overbuild 9 overbuilt 9 overbulks 9 overburns 9 overburnt 9 overcalls 9 overcarry 9 overcasts 9 overcatch 9 overcheap 9 overcheck 9 overchill 9 overcivil 9 overclaim 9 overclass 9 overclean 9 overclear 9 overclock 9 overclose 9 overcloud 9 overcloys 9 overclubs 9 overcoach 9 overcoats 9 overcolor 9 overcomer 9 overcomes 9 overcooks 9 overcools 9 overcount 9 overcover 9 overcrams 9 overcraws 9 overcrops 9 overcrowd 9 overcrows 9 overcured 9 overcures 9 overdamps 9 overdared 9 overdares 9 overdated 9 overdates 9 overdecks 9 overdight 9 overdoers 9 overdoing 9 overdosed 9 overdoses 9 overdraft 9 overdrank 9 overdrawn 9 overdraws 9 overdress 9 overdried 9 overdries 9 overdrink 9 overdrive 9 overdrove 9 overdrunk 9 overdusts 9 overdyers 9 overeager 9 overeaten 9 overeater 9 overedits 9 overegged 9 overemote 9 overequip 9 overexact 9 overexert 9 overeying 9 overfalls 9 overfavor 9 overfears 9 overfeeds 9 overfills 9 overflies 9 overflood 9 overflown 9 overflows 9 overflush 9 overfocus 9 overfolds 9 overfrank 9 overfunds 9 overfussy 9 overgalls 9 overgangs 9 overgears 9 overgilds 9 overgirds 9 overgiven 9 overgives 9 overglaze 9 overgloom 9 overgoads 9 overgoing 9 overgorge 9 overgrade 9 overgrain 9 overgrass 9 overgraze 9 overgreat 9 overgreen 9 overgrown 9 overgrows 9 overhaile 9 overhairs 9 overhaled 9 overhales 9 overhands 9 overhangs 9 overhappy 9 overhaste 9 overhasty 9 overhated 9 overhates 9 overhauls 9 overheads 9 overheaps 9 overheard 9 overhears 9 overheats 9 overhents 9 overholds 9 overhonor 9 overhoped 9 overhopes 9 overhunts 9 overhyped 9 overhypes 9 overinked 9 overissue 9 overjoyed 9 overjumps 9 overkeeps 9 overkills 9 overkings 9 overlabor 9 overladed 9 overladen 9 overlades 9 overlands 9 overlards 9 overlarge 9 overlayer 9 overleaps 9 overleapt 9 overlearn 9 overlends 9 overliers 9 overlight 9 overlived 9 overlives 9 overloads 9 overlocks 9 overlooks 9 overlords 9 overloved 9 overloves 9 overlusty 9 overlying 9 overmasts 9 overmatch 9 overmelts 9 overmerry 9 overmilks 9 overmined 9 overmines 9 overmixed 9 overmixes 9 overmount 9 overnamed 9 overnames 9 overnight 9 overpacks 9 overpaint 9 overparts 9 overpedal 9 overpeers 9 overperch 9 overpitch 9 overplaid 9 overplans 9 overplant 9 overplast 9 overplays 9 overplied 9 overplies 9 overplots 9 overpoise 9 overposts 9 overpower 9 overpress 9 overprice 9 overprint 9 overprize 9 overproof 9 overproud 9 overpumps 9 overquick 9 overracks 9 overraked 9 overrakes 9 overranks 9 overrated 9 overrates 9 overreach 9 overreact 9 overreads 9 overrider 9 overrides 9 overrigid 9 overripen 9 overroast 9 overruffs 9 overruled 9 overruler 9 overrules 9 oversails 9 oversales 9 oversalts 9 oversauce 9 oversaved 9 oversaves 9 overscale 9 overscore 9 overseeds 9 overseers 9 oversells 9 oversewed 9 oversexed 9 overshade 9 overshare 9 oversharp 9 overshine 9 overshirt 9 overshoes 9 overshone 9 overshoot 9 overshots 9 oversides 9 oversight 9 oversites 9 oversized 9 oversizes 9 overskate 9 overskips 9 overskirt 9 oversleep 9 overslept 9 overslips 9 overslipt 9 oversmoke 9 oversoaks 9 oversouls 9 oversowed 9 overspend 9 overspent 9 overspice 9 overspill 9 overspilt 9 overspins 9 overspray 9 overstaff 9 overstain 9 overstand 9 overstank 9 overstare 9 overstate 9 overstays 9 oversteer 9 oversteps 9 overstink 9 overstirs 9 overstock 9 overstood 9 overstory 9 overstrew 9 overstudy 9 overstuff 9 overstunk 9 oversways 9 overswear 9 oversweet 9 overswell 9 overswims 9 overswing 9 overswore 9 oversworn 9 overswung 9 overtaken 9 overtakes 9 overtalks 9 overtasks 9 overtaxed 9 overtaxes 9 overteach 9 overteems 9 overthick 9 overthink 9 overthins 9 overthrew 9 overthrow 9 overtight 9 overtimed 9 overtimer 9 overtimes 9 overtimid 9 overtired 9 overtires 9 overtness 9 overtoils 9 overtones 9 overtower 9 overtrade 9 overtrain 9 overtreat 9 overtrick 9 overtrims 9 overtrips 9 overtrump 9 overtrust 9 overtured 9 overtures 9 overturns 9 overtyped 9 overtypes 9 overurged 9 overurges 9 overusing 9 overvalue 9 overveils 9 overviews 9 overvivid 9 overvoted 9 overvotes 9 overwarms 9 overwatch 9 overwater 9 overwears 9 overweary 9 overweens 9 overweigh 9 overwhelm 9 overwinds 9 overwings 9 overwords 9 overworks 9 overwound 9 overwraps 9 overwrapt 9 overwrest 9 overwrite 9 overwrote 9 overyears 9 overzeals 9 ovibovine 9 oviductal 9 oviferous 9 ovigerous 9 oviparity 9 oviparous 9 oviposits 9 oviraptor 9 ovotestes 9 ovotestis 9 ovulating 9 ovulation 9 ovulatory 9 owerloups 9 ownerless 9 ownership 9 owrecomes 9 owrewords 9 oxacillin 9 oxalating 9 oxazepams 9 oxazolone 9 oxidating 9 oxidation 9 oxidative 9 oxidisers 9 oxidising 9 oxidizers 9 oxidizing 9 oximeters 9 oxpeckers 9 oxtongues 9 oxyanions 9 oxycodone 9 oxygenase 9 oxygenate 9 oxygenise 9 oxygenize 9 oxygenous 9 oxymorons 9 oxyphiles 9 oxyphilic 9 oxytocics 9 oxytocins 9 oxytropes 9 oysterers 9 oystering 9 oysterman 9 oystermen 9 oystriges 9 ozocerite 9 ozokerite 9 ozonating 9 ozonation 9 ozonisers 9 ozonising 9 ozonizers 9 ozonizing 9