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All 21,443 twelve-letter words, valid in Scrabble and Words With Friends.
There are 21,443 twelve-letter words in our dictionary. S starts more of them than any other letter (2,242), and Y the fewest (10). The ones you will meet most often in everyday English are PROFESSIONAL, APPLICATIONS, REQUIREMENTS, CONSTRUCTION, AVAILABILITY. The highest-scoring is RAZZMATAZZES, worth 50 points in Scrabble before board bonuses.
Ranked by how often they appear in everyday English, most familiar first.
Scrabble tile values, before board bonuses.
applications · availability · architecture · agricultural · arrangements · associations · announcement · alternatives · alphabetical · additionally …
bibliography · broadcasting · biodiversity · biochemistry · breakthrough · biographical · benchmarking · bankruptcies · biosynthesis · breathtaking …
construction · collectibles · contemporary · conservation · certificates · compensation · contribution · constitution · consultation · capabilities …
distribution · descriptions · disabilities · developments · destinations · demonstrated · difficulties · downloadable · differential · distributors …
encyclopedia · experimental · expectations · environments · establishing · expenditures · entrepreneur · entertaining · enhancements · experiencing …
fundamentals · foreclosures · fluctuations · facilitating · fluorescence · firefighters · facilitation · formulations · fibromyalgia · freestanding …
governmental · geographical · grandparents · genealogical · gesellschaft · geotechnical · guardianship · glycoprotein · guaranteeing · geochemistry …
headquarters · humanitarian · hypothetical · hypertension · historically · hierarchical · highlighting · housekeeping · horticulture · homelessness …
introduction · instructions · installation · institutions · intelligence · intellectual · improvements · incorporated · independence · implementing …
jurisdiction · journalistic · jeopardizing · johnsongrass · jackanapeses · jackasseries · jackhammered · jacklighters · jacklighting · jactitations …
kindergarten · kaleidoscope · knowledgable · kneeboarding · kiteboarding · ketoconazole · kitchenettes · keratinocyte · kainogeneses · kainogenesis …
laboratories · localization · longitudinal · lamentations · legislatures · loudspeakers · localisation · laparoscopic · libertarians · legitimately …
manufacturer · measurements · modification · metropolitan · mathematical · manufactured · masturbating · municipality · manipulation · motherboards …
neighborhood · notification · negotiations · nevertheless · northwestern · northeastern · neuroscience · neurological · navigational · neighbouring …
organization · organisation · optimization · observations · occupational · occasionally · overwhelming · osteoporosis · optimisation · oceanography …
professional · publications · particularly · presentation · participants · prescription · productivity · personalized · partnerships · photographer …
quantitative · questionable · quantization · quantifiable · quarterbacks · quantitation · quintessence · quarterfinal · quadriplegic · quadriplegia …
requirements · registration · relationship · reservations · respectively · restrictions · reproduction · representing · recreational · reproductive …
subscription · specifically · satisfaction · successfully · surveillance · significance · scholarships · spirituality · shareholders · subcommittee …
technologies · transmission · transactions · testimonials · temperatures · translations · thanksgiving · transparency · transvestite · transitional …
universities · unemployment · unauthorized · unacceptable · unregistered · unbelievable · unclassified · unreasonable · unidentified · unsuccessful …
verification · volunteering · veterinarian · vaccinations · volunteerism · videographer · vocabularies · viscoelastic · vaporization · vicissitudes …
workstations · wakeboarding · weatherproof · watermarking · wristwatches · watercolours · withstanding · watercourses · welterweight · weatherstrip …
xanthochroia · xanthochroic · xanthochroid · xanthomatous · xanthophylls · xanthopterin · xenodochiums · xenoglossias · xenoglossies · xeranthemums …
yeastinesses · yellowhammer · yellowjacket · yellownesses · yellowthroat · yesternights · yieldingness · yoctoseconds · youngberries · youthfulness
zalambdodont · zalcitabines · zantedeschia · zanthoxylums · zeitgeistier · zeptoseconds · zigzaggeries · zillionaires · zincographer · zincographic …