18 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
401 psychotherapeutics 10,982 acehioprstuy 12 502
402 superartificiality 10,982 acefilprstuy 12 503
403 deanthropomorphism 10,988 adehimnoprst 12 501
404 hyperexcursiveness 10,994 cehinprsuvxy 12 500
405 laryngotracheotomy 10,996 aceghlmnorty 12 498
406 tracheolaryngotomy 10,996 aceghlmnorty 12 499
407 transdiaphragmatic 10,998 acdghimnprst 12 497
408 anarchosyndicalist 10,999 acdhilnorsty 12 496
409 hypsistenocephalic 11,006 acehilnopsty 12 495
410 spinulosogranulate 11,008 aegilnoprstu 12 494
411 pseudoacquaintance 11,010 acdeinopqstu 12 493
412 overthoughtfulness 11,015 efghlnorstuv 12 492
413 papuloerythematous 11,016 aehlmoprstuy 12 491
414 platystencephalism 11,025 acehilmnpsty 12 490
415 hypsilophodontidae 11,034 adehilnopsty 12 489
416 cholecystectomized 11,035 cdehilmostyz 12 488
417 aphrodisiomaniacal 11,038 acdhilmnoprs 12 487
418 phonocinematograph 11,046 aceghimnoprt 12 486
419 anthroposomatology 11,056 aghlmnoprsty 12 485
420 noncorroboratively 11,063 abceilnortvy 12 484