12-letter words
There are 11,358 twelve-letter words in our dictionary. The most common are NONPOLLUTING, NONPRACTICAL, NONPRODUCING, NONPSYCHOTIC and NONPURPOSIVE.
Long words like these rarely fit in one go, but they are the answers to many jumbles, spelling challenges and word-ladder puzzles. Most are built from a shorter root plus a common prefix or suffix.
12-letter words
- nonpolluting15
- nonpractical18
- nonproducing18
- nonpsychotic24
- nonpurposive19
- nonrealistic14
- nonrecurrent14
- nonrecurring15
- nonredundant14
- nonregulated14
- nonrelatives15
- nonrepayable19
- nonresidence15
- nonresidency18
- nonresistant12
- nonresponder15
- nonresponses14
- nonreusables14
- nonruminants14
- nonscheduled19
- nonscientist14
- nonsecretors14
- nonsecretory17
- nonsensitive15
- nonsentences14
- nonsocialist14
- nonsolutions12
- nonspherical19
- nonstrategic15
- nonsuccesses16
- nonsymmetric21
- nontemporals16
- nonthinkings20
- nontreatment14
- nonturbulent14
- nonunanimous14
- nonunionized22
- nonuniversal15
- nonutilities12
- nonvanishing19
- nonviolences17
- nonvoluntary18
- nonyellowing19
- noradrenalin13
- normalizable25
- normotensive17
- normothermia19
- normothermic21
- northeasters15
- northwesters18
- notabilities14
- notarization21
- noteworthily21
- nourishments17
- nucleoplasms18
- nucleotidase15
- numerologies15
- numerologist15
- numerousness14
- numinousness14
- numismatists16
- nuptialities14
- nutritiously15
- nympholeptic26
- nymphomanias24
- oafishnesses18
- oarsmanships19
- obdurateness15
- obfuscations19
- objectivisms28
- objurgations22
- oblatenesses14
- obligingness16
- obliterative17
- obliterators14
- obnubilating17
- obnubilation16
- obscurations16
- obsequiously26
- obsoleteness14
- obstructives19
- obtusenesses14
- occidentally20
- oceanologies15
- oceanologist15
- ochlocracies21
- octahedrally21
- octapeptides19
- octosyllabic21
- octosyllable19
- odiousnesses13
- odontoblasts15
- officialdoms23
- officialeses20
- officialisms22
- officiations20
- offishnesses21
- offscourings21
- oleaginously16
- oleandomycin20
- oleoresinous12
- olfactometer19
- oligochaetes18
- oligophagies19
- oligophagous19
- oligopsonies15
- omnipotences18
- omnipotently19
- omnisciences18
- omnisciently19
- omnivorously20
- oncogenicity20
- oncornavirus17
- onomastician16
- onychophoran25
- opalescences18
- opalescently19
- opaquenesses23
- openhandedly22
- operatically19
- operationism16
- operationist14
- operatorless14
- opinionative17
- opportunisms18
- opposability21
- oppositeness16
- optimalities16
- oratorically17
- orchestrally20
- orchestrater17
- orchidaceous20
- organicities15
- organologies14
- orientalisms14
- orientalized22
- orientalizes21
- orismologies15
- ornamentally17
- ornatenesses12
- ornerinesses12
- ornithologic18
- ornithopters17
- orographical20
- oropharynges21
- oropharynxes27
- orotundities13
- orthocenters17
- orthodontias16
- orthogeneses16
- orthogenesis16
- orthogenetic18
- orthopedists18
- orthopterans17
- orthopterist17
- orthopteroid18
- orthotropous17
- oscillograms17
- oscillograph20
- osmolalities14
- osmolarities14
- ostentations12
- osteoblastic16
- osteoclastic16
- osteogeneses13
- osteologists13
- osteopathies17
- osteoplastic16
- osteoporoses14
- ostracoderms17
- otiosenesses12
- otoscleroses14
- otosclerosis14
- outachieving21
- outbalancing17
- outbargained16
- outbreedings16
- outcavilling18
- outcompeting19
- outdatedness14
- outdelivered17
- outdesigning15
- outdistanced16
- outdistances15
- outgeneraled14
- outglittered14
- outgoingness14
- outintrigued14
- outintrigues13
- outmaneuvers17
- outorganized23
- outorganizes22
- outpoliticks20
- outpopulated17
- outpopulates16
- outpreaching20
- outproducing18
- outpromising17
- outrebounded16
- outreproduce17
- outrivalling16
- outsiderness13
- outsourcings15
- outsparkling19
- outspreading16
- outsprinting15
- outstretches17
- outthrobbing20
- outthrusting16
- outwrestling16
- ovariotomies17
- overabstract19
- overabundant18
- overachieves23
- overanalyses18
- overanalysis18
- overanalyzed28
- overanalyzes27
- overarousals15
- overarranged17
- overarranges16
- overasserted16
- overbalanced20
- overbalances19
- overbleached23
- overbleaches22
- overborrowed21
- overbrowsing21
- overcastings18
- overcautions17
- overchilling21
- overclaiming20
- overclassify23
- overcleaning18
- overclearing18
- overclouding19
- overcoaching23
- overcompress21
- overconcerns19
- overconsumed20
- overconsumes19
- overcontrols17
- overcorrects19
- overcounting18
- overcramming22
- overcritical19
- overcropping22
- overdecorate18
- overdesigned18
- overdevelops21
- overdirected19
- overdiscount18
- overdocument20
- overdominant18
- overdressing17
- overdrinking21
- overeducates18
- overemphases22
- overemphatic24
- overenamored18
- overengineer16
- overenrolled16
- overequipped29
- overexciting25
- overexercise24
- overexerting23
- overexpanded26
- overexplains24
- overexplicit26
- overexploits24
- overexposing25
- overfamiliar20
- overfatigued20
- overfatigues19
- overfavoring22
- overfocusing21
- overfocussed21
- overfocusses20
- overfulfills21
- overgarments18
- overgenerous16
- overgoverned20
- overhandling20
- overharvests21
- overhuntings19
- overidealize25
- overidentify22
- overindulges17
- overinflates18
- overinformed21
- overinsuring16
- overissuance17
- overlaboring18
- overlearning16
- overlengthen19
- overlighting20
- overliterary18
- overmanaging19
- overmannered18
- overmastered18
Other word lengths
12-letter words starting with
12-letter words ending in
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