There are 703 words that start with OB in our word list of 382,657 words, and every one of them is on this page — grouped by length so you can scan fast, with a live filter when you need something narrower. The biggest group is the 9-letter words (134 of them); the spread is 1 of them 2 letters long, 9 of them 3 letters long, 14 of them 4 letters long, 17 of them 5 letters long, and more up to 15 letters. The longest entries are obedientialness, objectification and observationally. Word-game players keep lists like this open for a reason: Scrabble and Words With Friends reward the obscure corners of the dictionary, crossword solvers live on pattern matching, and Wordle players work by elimination.
The full list
2-letter words (1)
ob
3-letter words (9)
oba obb obe obi obj obl obo obs obv
4-letter words (14)
oban obas obdt obes obex obey obia obis obit obli oboe obol obos obus
5-letter words (17)
obang obeah obeli obese obeys obias obied obiit obits objet oblat obley obmit oboes obole oboli obols
6-letter words (54)
obangs obarne obarni obduce obdure obeahs obeche obeish obeism obelia obelus obento oberon obeser obeyed obeyeo obeyer obfirm obfusk obiing obiism obispo obital obiter object objets objure oblast oblata oblate oblige oblong oboist oboles obolet obolos obolus obongo oboval obrien obrize obsede obsess obside obsign obstet obtain obtect obtend obtent obtest obtund obtuse obvert
7-letter words (65)
obadiah obclude obconic obdured obdures obeahed obeches obeisms obeliac obelial obelias obelion obelise obelisk obelism obelize obentos obesely obesest obesity obeyers obeying obiisms obitual objects objscan objured objures oblasti oblasts oblated oblates oblatio obliged obligee obliger obliges obligor oblique oblongs obloquy oboists obolary obovate obovoid obrazil obscene obscura obscure obsequy observe obsigns obstant obtains obtends obtests obtrect obtrude obtunds obtuser obverse obverts obviate obvious obvolve
8-letter words (95)
obbenite obduracy obdurate obduring obeahing obeahism obedient obeisant obelised obelises obelisks obelisms obelized obelizes obeyable obeyance obidicut obituary objected objectee objecter objector objuring oblately oblating oblation oblatory oblicque obligant obligate obligati obligato obligees obligers obliging obligors obliqued obliquer obliques obliquid obliquus oblivial oblivion oblongly obnounce obolaria obouracy obrogate obrotund obscener obscuras obscured obscurer obscures obsequie observed observer observes obsessed obsesses obsessor obsidian obsigned obsolesc obsolete obstacle obstancy obstante obstruct obstruse obtainal obtained obtainer obtected obtemper obtended obtested obtruded obtruder obtrudes obtunded obtunder obturate obtusely obtusest obtusion obtusish obtusity obverses obverted obviable obviated obviates obviator obvolute
9-letter words (134)
obbligati obbligato obclavate obconical obcordate obcuneate obdeltoid obduction obdurated obeahisms obedience obediency obeisance obeliscal obeliscar obelising obelisked obelizing obeseness obesities obeyingly obfuscate obfuscity obfuscous objectant objectify objecting objection objective objectize objectors objicient objurgate oblations oblectate obligable obligancy obligated obligates obligator obligatos obligatum obligedly obliquate obliquely obliquing obliquity oblivions oblivious oblocutor oblongata oblongish obloquial obloquies obnounced obnoxiety obnoxious obomegoid obreption obrogated obscenely obscenest obscenity obscurant obscurely obscurers obscurest obscuring obscurism obscurist obscurity obsecrate obsequent obsequial obsequies obsequity obsequium observant observers observing obsessing obsession obsessive obsessors obsidians obsidious obsignate obsolesce obsoleted obsoletes obstacles obstetric obstetrix obstinacy obstinant obstinate obstipant obstipate obstringe obstructs obstruent obstruxit obstupefy obtainers obtaining obtention obtesting obtruders obtruding obtrusion obtrusive obtundent obtunding obtundity obturated obturates obturator obtusifid obumbrant obumbrate obvallate obvention obversant obversely obversion obvertend obverting obviating obviation obviative obviators obviously obvoluted obvolvent
10-letter words (101)
obambulate obbligatos obduracies obdurately obdurating obduration obediences obediently obeisances obeisantly obelisking obeliskoid obfuscable obfuscated obfuscates obfuscator obituarian obituaries obituarily obituarist obituarize objectable objecthood objections objectival objectives objectized objectless objranging objuration objurgated objurgates objurgator oblateness oblational obligately obligating obligation obligative obligatory obligement obligingly obligistic obliterate oblocution oblongatae oblongatal oblongatas oblongated oblongness obloquious obnebulate obnouncing obnubilate obpyriform obrogating obrogation obscurancy obscuredly obsecrated obsequence obsequious observable observably observance observancy observanda observatin observator observedly obsessions obsidional obsolesced obsoletely obsoleting obsoletion obsoletism obstetrics obstetricy obstetrist obstinance obstinancy obstipated obstructed obstructer obstructor obtainable obtainably obtainance obtainment obtruncate obtrusions obturating obturation obturatory obtuseness obumbrated obvelation obviations obvolution obvolutive
11-letter words (99)
obcordiform obdormition obediential obedientiar obfuscating obfuscation obfuscators obfuscatory objectation objectative objectified objectional objectioner objectivate objectively objectivism objectivist objectivity objectivize objectizing objurgating objurgation objurgative objurgatory objurgatrix oblationary oblectation obligations obligedness obliquation obliqueness obliquities obliquitous obliterable obliterated obliterates obliterator obliviality oblivionate oblivionist oblivionize obliviously oblongitude obmutescent obnoxiously oboormition obpyramidal obsceneness obscenities obscurantic obscuration obscurative obscuratory obscurement obscureness obscurities obsecrating obsecration obsecratory obsequeence obsequience observances observandum observantly observation observative observatory observingly obsessingly obsessional obsessively obsidianite obsidionary obsignation obsignatory obsolescent obsolescing obstetrical obstinacies obstinately obstination obstinative obstipation obstriction obstructant obstructers obstructing obstruction obstructive obstructors obtemperate obtenebrate obtestation obtruncator obtrusively obturbinate obumbrating obumbration obviousness
12-letter words (51)
obambulation obambulatory obcompressed obdurateness obedientiary objectifying objectionist objectivated objectivized objectlessly objurgations oblanceolate obligability obligational obligatorily obligingness obliterating obliteration obliterative obliterators oblivescence obliviscence obliviscible obmutescence obnubilation obnunciation obreptitious obscurantism obscurantist obsequiosity obsequiously observantine observantist observations observership obsessionist obsolescence obsoleteness obstetricate obstetrician obstetricies obstinacious obstreperate obstreperous obstructedly obstructions obtriangular obtruncation obtrusionist obtusangular obtusilobous
13-letter words (39)
obedientially objectionable objectionably objectivating objectivation objectiveness objectivistic objectivizing objectization objurgatively objurgatorily obligationary obliquangular obliterations obliviousness obnoxiousness obscurantists observability observantness observational observatorial observatories obsessionally obsessiveness obsolescently obstetrically obstetricated obstetricians obstinateness obstructingly obstructively obstructivism obstructivity obtainability obtenebration obtrusiveness obtusifolious obtusilingual obtusipennate
14-letter words (19)
obdiplostemony obedientiaries objectlessness obligativeness obligatoriness oblongitudinal obreptitiously obscuranticism obsecrationary obsequiousness observableness obstetricating obstetrication obstreperosity obstreperously obstructionism obstructionist obtainableness obtusirostrate
15-letter words (5)
obedientialness objectification observationally obstructionists obstructiveness
Frequently asked questions
How many words that start with OB are there?
Our word list contains 703 words that start with OB, out of 382,657 entries in total. They run from 2 to 15 letters, and the 9-letter group is the largest with 134 words.
What are the longest words that start with OB?
The longest are obedientialness (15 letters), objectification (15 letters) and observationally (15 letters).
Which words that start with OB score highest in Scrabble?
By raw letter values, the top scorers on this page are objectivizing (37 points), objectivized (36 points) and objectivize (34 points) — before any letter or word multipliers. One honest caveat: this list is a broad English word list, so a few rare or technical entries appear that official game dictionaries (and Wordle’s answer list) do not accept. Always check a play against the dictionary your game uses.
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