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All 6,117 fifteen-letter words, valid in Scrabble and Words With Friends.
There are 6,117 fifteen-letter words in our dictionary. P starts more of them than any other letter (695), and Y the fewest (2). The ones you will meet most often in everyday English are RECOMMENDATIONS, CHARACTERISTICS, REPRESENTATIVES, PHARMACEUTICALS, CONGRATULATIONS. The highest-scoring is QUIZZIFICATIONS, worth 47 points in Scrabble before board bonuses.
Ranked by how often they appear in everyday English, most familiar first.
Scrabble tile values, before board bonuses.
accomplishments · acknowledgement · acknowledgments · administrations · appropriateness · antidepressants · anthropological · atherosclerosis · apprenticeships · anthropologists …
bibliographical · bioavailability · benzodiazepines · bacteriological · bioaccumulation · biogeochemistry · biotechnologies · bisphosphonates · bioluminescence · bronchodilators …
characteristics · congratulations · confidentiality · competitiveness · classifications · chronologically · countermeasures · collaboratively · cinematographer · corticosteroids …
differentiation · diversification · dissatisfaction · decommissioning · decontamination · differentiating · developmentally · democratization · discontinuation · desertification …
environmentally · electromagnetic · entrepreneurial · experimentation · electrophoresis · epidemiological · extraordinarily · electrochemical · extracurricular · electrification …
fundamentalists · functionalities · familiarization · familiarisation · fluoroquinolone · facetiousnesses · factorabilities · faithlessnesses · faithworthiness · fanaticalnesses …
generalizations · gastroenteritis · glucocorticoids · generalisations · gluconeogenesis · galactopoietics · galaktobourekos · galvanometrical · galvanoplasties · galvanotropisms …
hospitalization · hyperthyroidism · hospitalisation · hemochromatosis · heterosexuality · humanitarianism · histopathologic · heterochromatin · hydrogeological · hypnotherapists …
internationally · instrumentation · implementations · interpretations · interconnection · infrastructures · interchangeable · inconsistencies · intercollegiate · indemnification …
journalisations · journalizations · judiciousnesses · jurisprudential · justifiableness · juxtapositional
kaffeeklatsches · karstifications · katathermometer · kenogenetically · keratinisations · keratinizations · kindergarteners · kindheartedness · kinematographer · kinematographic …
lymphadenopathy · laboriousnesses · labyrinthically · labyrinthitises · labyrinthodonts · lackadaisically · lactiferousness · lactovegetarian · lamellirostrate · lapidifications …
merchantability · musculoskeletal · microprocessors · microcontroller · microbiological · multifunctional · maintainability · microelectronic · methylphenidate · marginalization …
notwithstanding · nongovernmental · nonprescription · neuropsychology · neurophysiology · neoconservative · nationalization · neuropsychiatry · neuroprotective · noninfringement …
oligonucleotide · optoelectronics · ophthalmologist · oxidoreductases · omnidirectional · organophosphate · oligosaccharide · overrepresented · objectification · oligomerization …
pharmaceuticals · professionalism · physiopathology · phosphorylation · personalization · pharmacological · psychologically · pseudoephedrine · pathophysiology · procrastination …
quadragenarians · quadringenaries · quadripartition · quadrisyllables · quadrivalencies · quadruplicating · quadruplication · quadruplicities · quantifications · quarrelsomeness …
recommendations · representatives · representations · reconsideration · reauthorization · reconfiguration · reproducibility · revolutionaries · recertification · rationalization …
straightforward · synchronization · standardization · supplementation · superconducting · superintendents · standardisation · synchronisation · specializations · superconductors …
troubleshooting · transplantation · transformations · transcriptional · technologically · totalitarianism · trustworthiness · transliteration · transferability · teleconferences …
unconditionally · ultrasonography · unintentionally · unsubstantiated · uninterruptible · unconsciousness · underprivileged · ultrastructural · unsophisticated · underestimating …
vulnerabilities · videoconference · vasoconstrictor · valetudinarians · valuelessnesses · vapourabilities · vapourishnesses · vascularisation · vascularization · vasodilatations …
wappenschawings · warmheartedness · warrantableness · wasterfulnesses · watercolourists · waterlessnesses · wearisomenesses · weatherboarding · weatherisations · weatherizations …
xenomorphically · xenotransplants · xerographically · xeroradiography · xylotypographic
yellowishnesses · yieldablenesses
zigzaggednesses · zinckifications · zinjanthropuses · zoogeographical · zoophysiologies · zoophysiologist · zoophytological · zoophytologists · zoopsychologies · zygobranchiates …