22 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
1 pneumoventriculography 11,974 aceghilmnoprtuvy 16 2
2 blepharoconjunctivitis 12,455 abcehijlnoprstuv 16 1
3 hyperconstitutionalism 13,924 acehilmnoprstuy 15 3
4 succinylsulphathiazole 11,813 acehilnopstuyz 14 8
5 naphthylaminesulphonic 12,646 acehilmnopstuy 14 7
6 deoxyribonucleoprotein 13,592 bcdeilnoprtuxy 14 6
7 pseudoenthusiastically 13,717 acdehilnopstuy 14 5
8 hexanitrodiphenylamine 14,473 adehilmnoprtxy 14 4
9 hydropneumopericardium 12,115 acdehimnopruy 13 31
10 pneumohydropericardium 12,115 acdehimnopruy 13 32
11 microcryptocrystalline 12,435 aceilmnoprsty 13 30
12 electrophysiologically 12,655 aceghiloprsty 13 29
13 chlorprophenpyridamine 12,713 acdehilmnopry 13 28
14 anatomicophysiological 12,721 acghilmnopsty 13 27
15 pyopneumocholecystitis 12,808 cehilmnopstuy 13 26
16 aquopentamminecobaltic 13,140 abceilmnopqtu 13 25
17 pseudoaristocratically 13,367 acdeiloprstuy 13 24
18 dinitrophenylhydrazine 13,433 adehilnoprtyz 13 23
19 spectrophotometrically 13,579 acehilmoprsty 13 22
20 alkylbenzenesulfonates 13,599 abefklnostuyz 13 21