18 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
781 palaeoanthropology 11,083 aeghlnoprty 11 928
782 antioptimistically 11,090 acilmnopsty 11 927
783 membranocoriaceous 11,091 abceimnorsu 11 926
784 triphenylphosphine 11,095 ehilnoprsty 11 925
785 ultrarevolutionary 11,108 aeilnortuvy 11 924
786 supermarvelousness 11,125 aelmnoprsuv 11 923
787 forethoughtfulness 11,134 efghlnorstu 11 921
788 hypermetamorphosis 11,134 aehimoprsty 11 922
789 unsurmountableness 11,137 abelmnorstu 11 920
790 paleoclimatologist 11,151 acegilmopst 11 919
791 costicartilaginous 11,157 acgilnorstu 11 918
792 electrophotography 11,175 aceghloprty 11 917
793 encephalopsychesis 11,195 acehilnopsy 11 916
794 supersagaciousness 11,196 aceginoprsu 11 915
795 tuberculosectorial 11,198 abceilorstu 11 914
796 superlaboriousness 11,199 abeilnoprsu 11 913
797 unenthusiastically 11,200 acehilnstuy 11 912
798 overlasciviousness 11,202 aceilnorsuv 11 911
799 noninstructionally 11,206 acilnorstuy 11 910
800 stereofluoroscopic 11,217 cefiloprstu 11 909