11-Letter Words Starting With O
Looking for eleven-letter words that start with O? There are 649 of them in the tournament word lists, and every one is on this page. The most common, like OPPORTUNITY, OUTSTANDING, OPERATIONAL, sit right at the top.
Unlike alphabetical lists that bury likely answers in the middle, this list is sorted by how often each word appears in everyday English. Scan the first rows for probable answers; dig deeper for rare, high-scoring plays.
Most common
- opportunity18
- outstanding13
- operational13
- orientation11
- observation16
- obligations14
- outsourcing14
- occupations17
- observatory19
- overlooking19
- originating13
- overlapping19
- occurrences17
- overwhelmed23
- obstruction15
- orthopaedic19
- originality15
- orthopedics19
- oscillation13
- objectivity28
All 649 words (the small number on each word is its Scrabble point value)
- origination 12
- objectively 28
- officiating 20
- obstructive 18
- osteopathic 18
- overarching 20
- overloading 16
- overflowing 21
- orthodontic 17
- overwritten 17
- oscillators 13
- overheating 18
- overpayment 21
- oscillating 14
- organically 17
- ontological 14
- opinionated 14
- overcrowded 21
- outnumbered 16
- observances 18
- optometrist 15
- originators 12
- obstructing 16
- ornithology 18
- oncologists 14
- outpatients 13
- overwriting 18
- obliterated 14
- oscillatory 16
- overturning 15
- observables 18
- outperforms 18
- omnipresent 15
- oxygenation 22
- offensively 23
- obfuscation 18
- overpowered 20
- overbearing 17
- obstetrical 15
- operability 18
- overhanging 19
- objectivism 27
- orthography 23
- overfishing 21
- overcharged 21
- orthonormal 16
- operatively 19
- occultation 15
- orchestrate 16
- ornamentals 13
- opportunism 17
- obscenities 15
- oppositions 15
- omnipotence 17
- opportunist 15
- obsessively 19
- occupancies 19
- outdoorsman 14
- objectivist 25
- overzealous 23
- orientalism 13
- overhauling 18
- overstocked 21
- obnoxiously 23
- overvoltage 18
- omniscience 17
- overstuffed 21
- outbuilding 15
- overcharges 20
- osteoblasts 13
- orthostatic 16
- overgrazing 25
- outstripped 16
- overwrought 21
- overexposed 24
- outfielders 15
- oviposition 16
- obviousness 16
- overstating 15
- osteoclasts 13
- ostentation 11
- optionality 16
- overshadows 21
- overnighter 18
- obstinately 16
- overstepped 19
- obsolescent 15
- orientalist 11
- obfuscating 19
- officialdom 22
- orderliness 12
- orthodontia 15
- outcropping 18
- ontogenetic 14
- overprinted 17
- overhearing 18
- oncological 16
- overbooking 21
- oppressions 15
- outdoorsmen 14
- objectified 26
- ovariectomy 21
- ordinations 12
- obscuration 15
- oncogenesis 14
- overflights 21
- orthopedist 17
- overrunning 15
- obliterates 13
- overreacted 17
- outpourings 14
- orthodoxies 22
- overtopping 19
- overmatched 22
- outsmarting 14
- outweighing 19
- overweening 18
- obscurities 15
- outcrossing 14
- oxygenating 23
- overseeding 16
- opalescence 17
- obsessional 13
- overstretch 19
- overfeeding 19
- occasioning 16
- overdressed 16
- overstaying 18
- overworking 22
- overpricing 19
- overselling 15
- overdubbing 20
- overfilling 18
- oligopolies 14
- oligarchies 17
- outmaneuver 16
- osteotomies 13
- ontogenesis 12
- ornithopter 16
- ototoxicity 23
- overindulge 16
- overreached 20
- overexcited 24
- opportunely 18
- odoriferous 15
- overwinters 17
- osmotically 18
- offhandedly 25
- overplaying 20
- opprobrious 17
- overtighten 18
- octapeptide 18
- oxidatively 25
- orientating 12
- outstations 11
- overstrikes 18
- overproduce 19
- overstaffed 21
- obliviously 19
- overcooking 21
- overnighted 19
- optokinetic 19
- oarsmanship 18
- obesenesses 13
- obfuscatory 21
- obituarists 13
- objectifies 25
- objurgating 22
- objurgation 21
- objurgatory 24
- obliqueness 22
- obliquities 22
- obliterator 13
- obnubilated 16
- obnubilates 15
- obscurantic 17
- obscureness 15
- obsecrating 16
- observantly 19
- observingly 20
- obsolescing 16
- obstinacies 15
- obstructors 15
- obtainments 15
- obtrusively 19
- obtundities 14
- obturations 13
- occipitally 20
- oceanariums 15
- oceanfronts 16
- ochlocratic 20
- octagonally 17
- octahedrons 17
- odontoblast 14
- odorousness 12
- oecumenical 17
- offenseless 17
- offertories 17
- officialese 19
- officialism 21
- officiaries 19
- officiation 19
- officiously 22
- offprinting 20
- offscouring 20
- olfactories 16
- oligochaete 17
- oligoclases 14
- ominousness 13
- omnifarious 16
- omnipotents 15
- oncogeneses 14
- oncoviruses 16
- oneirically 16
- oneiromancy 18
- onerousness 11
- ongoingness 13
- onomatology 17
- ontogeneses 12
- ontologists 12
- openability 18
- openhearted 17
- openmouthed 19
- operagoings 15
- operculated 16
- operettists 13
- operoseness 13
- ophiologies 17
- ophthalmias 21
- opponencies 17
- opprobriums 19
- opsonifying 20
- optometries 15
- oracularity 16
- orangewoods 16
- orbicularly 18
- orchardists 17
- ordainments 14
- ordinariest 12
- ordonnances 14
- organicisms 16
- organicists 14
- organizable 23
- orientalize 20
- originative 15
- ornamenting 14
- ornithopods 17
- orographies 17
- orphanhoods 20
- orthocenter 16
- orthoclases 16
- orthoepists 16
- orthopteran 16
- orthoscopic 20
- oscillogram 16
- oscitancies 15
- osculations 13
- osmiridiums 16
- osmometries 15
- ostensively 17
- ostensories 11
- ostensorium 13
- osteologies 12
- osteologist 12
- osteoplasty 16
- ostracising 14
- ostracizing 23
- ostracoderm 16
- ostrichlike 20
- othernesses 14
- otherwhiles 20
- otherworlds 18
- otoplasties 13
- outachieved 20
- outachieves 19
- outbalanced 16
- outbalances 15
- outbargains 14
- outbitching 19
- outbleating 14
- outblessing 14
- outblooming 16
- outbluffing 20
- outblushing 17
- outboasting 14
- outbragging 16
- outbrawling 17
- outbrazened 23
- outbreeding 15
- outbullying 17
- outcapering 16
- outcatching 19
- outcaviling 17
- outcavilled 17
- outcharging 18
- outcharming 19
- outcheating 17
- outclassing 14
- outclimbing 18
- outcoaching 19
- outcompeted 18
- outcompetes 17
- outcounting 14
- outcrawling 17
- outcrowding 18
- outdazzling 31
- outdebating 15
- outdelivers 15
- outdesigned 14
- outdistance 14
- outdragging 15
- outdreaming 15
- outdressing 13
- outdrinking 17
- outdropping 17
- outduelling 13
- outfeasting 15
- outfighting 19
- outfiguring 16
- outflanking 19
- outfloating 15
- outfrowning 18
- outfumbling 19
- outgalloped 15
- outgambling 17
- outgenerals 12
- outgleaming 15
- outglitters 12
- outgrinning 13
- outgrossing 13
- outguessing 13
- outhandling 16
- outhomering 17
- outhumoring 17
- outhustling 15
- outintrigue 12
- outjockeyed 28
- outjuggling 21
- outlaughing 16
- outlearning 12
- outmarching 19
- outmastered 14
- outmatching 19
- outmuscling 16
- outorganize 21
- outpainting 14
- outpeopling 16
- outpitching 19
- outplanning 14
- outplodding 16
- outplotting 14
- outpointing 14
- outpolitick 19
- outpopulate 15
- outpowering 17
- outpreached 19
- outpreaches 18
- outpreening 14
- outpressing 14
- outproduced 17
- outproduces 16
- outpromised 16
- outpromises 15
- outpunching 19
- outpursuing 14
- outreaching 17
- outreasoned 12
- outrebounds 14
- outreckoned 18
- outrivaling 15
- outrivalled 15
- outsavoring 15
- outscheming 19
- outscolding 15
- outscooping 16
- outscorning 14
- outscreamed 16
- outshooting 15
- outshouting 15
- outsleeping 14
- outslicking 18
- outsmelling 14
- outspanning 14
- outsparkled 18
- outsparkles 17
- outspeaking 18
- outspeeding 15
- outspelling 14
- outspending 15
- outspokenly 20
- outsprinted 14
- outstarting 12
- outsteering 12
- outstridden 13
- outstriding 13
- outstriving 15
- outstudying 16
- outstunting 12
- outswearing 15
- outsweeping 17
- outswimming 19
- outswinging 16
- outthanking 19
- outthieving 18
- outthinking 19
- outthrobbed 19
- outthrowing 18
- outthrusted 15
- outtowering 15
- outtraveled 15
- outtricking 18
- outtrotting 12
- outtrumping 16
- outvaunting 15
- outwardness 15
- outwatching 20
- outwearying 18
- outwhirling 18
- outwrestled 15
- outwrestles 14
- outyielding 16
- overachieve 22
- overactions 16
- overanalyze 26
- overanxiety 24
- overanxious 21
- overarousal 14
- overarrange 15
- overasserts 14
- overbalance 18
- overbeating 17
- overbetting 17
- overbidding 19
- overbilling 17
- overblouses 16
- overblowing 20
- overboiling 17
- overborrows 19
- overbraking 21
- overbriefed 20
- overbrowsed 20
- overbrowses 19
- overburdens 17
- overburning 17
- overcalling 17
- overcareful 19
- overcasting 17
- overcaution 16
- overchilled 20
- overclaimed 19
- overclasses 16
- overcleaned 17
- overcleared 17
- overclouded 18
- overcoached 22
- overcoaches 21
- overcolored 17
- overcommits 20
- overcomplex 27
- overconcern 18
- overconsume 18
- overcontrol 16
- overcooling 17
- overcorrect 18
- overcounted 17
- overcrammed 21
- overcropped 21
- overcutting 17
- overdecking 22
- overdesigns 16
- overdevelop 20
- overdirects 17
- overdosages 16
- overdrawing 19
- overdresses 15
- overdriving 19
- overearnest 14
- overediting 16
- overeducate 17
- overemoting 17
- overexcites 23
- overexerted 22
- overexpands 24
- overexplain 23
- overexploit 23
- overexposes 23
- overextends 22
- overfatigue 18
- overfavored 21
- overfearing 18
- overflooded 19
- overfocused 20
- overfocuses 19
- overfulfill 20
- overfunding 19
- overgarment 17
- overgilding 17
- overgirding 17
- overglazing 25
- overgoading 17
- overgoverns 18
- overgrading 17
- overgrowing 19
- overgrowths 21
- overhanding 19
- overhandled 19
- overhandles 18
- overharvest 20
- overheaping 20
- overholding 19
- overhonored 18
- overhunting 18
- overimpress 18
- overinflate 17
- overinforms 19
- overinsured 15
- overinsures 14
- overintense 14
- overissuing 15
- overkilling 19
- overlabored 17
- overleaping 17
- overlearned 15
- overlending 16
- overlengths 18
- overletting 15
- overlighted 19
- overliteral 14
- overlording 16
- overmanaged 18
- overmanages 17
- overmanning 17
- overmantels 16
- overmasters 16
- overmatches 21
- overmelting 17
- overmilking 21
- overmuscled 19
- overnourish 17
- overobvious 19
- overoperate 16
- overpackage 23
- overpacking 23
- overpassing 17
- overpedaled 18
- overpeopled 19
- overpeoples 18
- overplaided 18
- overplanned 17
- overplanted 17
- overplotted 17
- overpraised 17
- overpraises 16
- overprecise 18
- overprizing 26
- overprocess 18
- overprogram 19
- overpromise 18
- overpromote 18
- overprotect 18
- overpumping 21
- overreacher 19
- overreaches 19
- overrefined 18
- overreports 16
- overrespond 17
- overroasted 15
- overruffing 21
- oversalting 15
- oversaucing 17
- overscoring 17
- overserious 14
- overservice 19
- oversetting 15
- overshading 19
- overslaughs 18
- overslipped 19
- oversmoking 21
- oversoaking 19
- overspender 17
- overspicing 19
- overspilled 17
- overspreads 17
- oversteered 15
- overstirred 15
- overstories 14
- overstrains 14
- overstrewed 18
- overstrides 15
- overstudied 16
- overstudies 15
- oversudsing 16
- oversupping 19
- oversweeten 17
- overtalking 19
- overtasking 19
- overteaches 19
- overthought 21
- overtipping 19
- overtnesses 14
- overtoiling 15
- overtrading 16
- overtrained 15
- overtreated 15
- overtrimmed 19
- overtrumped 19
- overutilize 23
- overvaluing 18
- overviolent 17
- overwarming 20
- overwatched 23
- overwatches 22
- overwatered 18
- overwearied 18
- overwearies 17
- overwearing 18
- overweighed 22
- overweights 21
- overwetting 18
- overwinding 19
- oviparities 16
- ovipositing 17
- ovipositors 16
- oxalacetate 20
- oxygenators 22
- oxygenizing 32
- oxyhydrogen 29
- ozonization 29
- ozonosphere 25
Points use Scrabble US letter values
Frequently asked questions
How many eleven-letter words are there that start with O?
There are 649 eleven-letter words that start with O in the tournament word lists. The most common are OPPORTUNITY, OUTSTANDING, OPERATIONAL.
What are common eleven-letter words that start with O?
OPPORTUNITY, OUTSTANDING, OPERATIONAL, ORIENTATION, OBSERVATION are the most frequently used. The full list of 649 words on this page is sorted by everyday frequency, so the common ones come first.
Can I play these words in Scrabble?
Yes. The list combines ENABLE and the North American tournament list (TWL), so these words are playable in Scrabble-style games, including Words With Friends.
Starting with O in other lengths
- 2-Letter Words Starting With O
- 3-Letter Words Starting With O
- 4-Letter Words Starting With O
- 5-Letter Words Starting With O
- 6-Letter Words Starting With O
- 7-Letter Words Starting With O
- 8-Letter Words Starting With O
- 9-Letter Words Starting With O
- 10-Letter Words Starting With O
- 12-Letter Words Starting With O
- 13-Letter Words Starting With O
- 14-Letter Words Starting With O
- 15-Letter Words Starting With O
- 16-Letter Words Starting With O
- 17-Letter Words Starting With O
- 18-Letter Words Starting With O
- 19-Letter Words Starting With O
- 20-Letter Words Starting With O