18 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
581 prediscontinuation 12,051 acdeinoprstu 12 323
582 photoisomerization 12,066 aehimnoprstz 12 322
583 osteochondromatous 12,071 acdehmnorstu 12 321
584 hypercholesterolia 12,071 acehiloprsty 12 320
585 overcapitalisation 12,074 aceilnoprstv 12 319
586 irreproachableness 12,078 abcehilnoprs 12 318
587 counterdevelopment 12,099 cdelmnoprtuv 12 317
588 unincorporatedness 12,111 acdeinoprstu 12 316
589 osteocartilaginous 12,125 acegilnorstu 12 315
590 astrophotometrical 12,127 acehilmoprst 12 314
591 nonauthoritatively 12,146 aehilnortuvy 12 313
592 chorioepitheliomas 12,149 acehilmoprst 12 312
593 schopenhauereanism 12,163 acehimnoprsu 12 311
594 overidolatrousness 12,173 adeilnorstuv 12 310
595 thermoluminescence 12,179 cehilmnorstu 12 309
596 undemonstrableness 12,195 abdelmnorstu 12 308
597 postresurrectional 12,199 aceilnoprstu 12 307
598 unmisinterpretable 12,200 abeilmnprstu 12 306
599 intertransformable 12,209 abefilmnorst 12 305
600 counterlegislation 12,212 acegilnorstu 12 304