13 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 16701 |
instrumentate |
9,846 |
aeimnrstu |
9 |
10,731 |
| 16702 |
esthesiometry |
9,847 |
ehimorsty |
9 |
10,730 |
| 16703 |
heterocotylea |
9,848 |
acehlorty |
9 |
10,729 |
| 16704 |
predetermines |
9,851 |
deimnprst |
9 |
10,728 |
| 16705 |
thelodontidae |
9,852 |
adehilnot |
9 |
10,727 |
| 16706 |
desuperheater |
9,856 |
adehprstu |
9 |
10,726 |
| 16707 |
intermediator |
9,858 |
adeimnort |
9 |
10,725 |
| 16708 |
nitrogelatine |
9,859 |
aegilnort |
9 |
10,724 |
| 16709 |
heterotactous |
9,863 |
acehorstu |
9 |
10,723 |
| 16710 |
stationmaster |
9,869 |
aeimnorst |
9 |
10,722 |
| 16711 |
nonregistered |
9,872 |
deginorst |
9 |
10,719 |
| 16712 |
pennatisected |
9,872 |
acdeinpst |
9 |
10,720 |
| 16713 |
pentremitidae |
9,872 |
adeimnprt |
9 |
10,721 |
| 16714 |
helianthoidea |
9,877 |
adehilnot |
9 |
10,718 |
| 16715 |
interagencies |
9,884 |
aceginrst |
9 |
10,717 |
| 16716 |
heterokinetic |
9,885 |
cehiknort |
9 |
10,716 |
| 16717 |
interlacement |
9,891 |
aceilmnrt |
9 |
10,714 |
| 16718 |
continentaler |
9,891 |
aceilnort |
9 |
10,715 |
| 16719 |
homogeneities |
9,893 |
eghimnost |
9 |
10,713 |
| 16720 |
enchainements |
9,896 |
acehimnst |
9 |
10,712 |