19 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
641 cosmopolitanisation 12,467 acilmnopst 10 650
642 unchallengeableness 12,470 abceghlnsu 10 649
643 semiphosphorescence 12,607 cehimnoprs 10 648
644 counterinsurgencies 12,612 ceginorstu 10 647
645 nondisputatiousness 12,619 adeinopstu 10 646
646 nondenominationally 12,677 adeilmnoty 10 645
647 nonconstructiveness 12,698 ceinorstuv 10 644
648 nonimpressionabness 12,700 abeimnoprs 10 643
649 conventionalization 12,710 aceilnotvz 10 642
650 irreconciliableness 12,716 abceilnors 10 641
651 uninterruptibleness 12,738 beilnprstu 10 640
652 autostandardization 12,755 adinorstuz 10 639
653 nonreconcilableness 12,810 abceilnors 10 638
654 semiprogressiveness 12,834 egimnoprsv 10 637
655 antisupernaturalist 12,836 aeilnprstu 10 636
656 intellectualization 12,869 aceilnotuz 10 635
657 transformationalist 12,903 afilmnorst 10 634
658 misapprehensiveness 12,914 aehimnprsv 10 633
659 overinstructiveness 12,915 ceinorstuv 10 632
660 monochloranthracene 12,916 acehlmnort 10 631