13 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 2001 |
preobligating |
7,586 |
abegilnoprt |
11 |
2,808 |
| 2002 |
spermatangium |
7,587 |
aegimnprstu |
11 |
2,807 |
| 2003 |
superactivity |
7,589 |
aceiprstuvy |
11 |
2,805 |
| 2004 |
dermatography |
7,589 |
adeghmoprty |
11 |
2,806 |
| 2005 |
unvitrifiable |
7,590 |
abefilnrtuv |
11 |
2,804 |
| 2006 |
pseudoarchaic |
7,591 |
acdehioprsu |
11 |
2,802 |
| 2007 |
aluminoferric |
7,591 |
acefilmnoru |
11 |
2,803 |
| 2008 |
unconglobated |
7,591 |
abcdeglnotu |
11 |
2,801 |
| 2009 |
unbanteringly |
7,591 |
abegilnrtuy |
11 |
2,800 |
| 2010 |
unexplanatory |
7,592 |
aelnoprtuxy |
11 |
2,799 |
| 2011 |
synophthalmia |
7,592 |
ahilmnopsty |
11 |
2,797 |
| 2012 |
trophonucleus |
7,592 |
cehlnoprstu |
11 |
2,798 |
| 2013 |
relubricating |
7,594 |
abcegilnrtu |
11 |
2,796 |
| 2014 |
unimpeachable |
7,595 |
abcehilmnpu |
11 |
2,795 |
| 2015 |
falconiformes |
7,596 |
acefilmnors |
11 |
2,794 |
| 2016 |
unsubtractive |
7,597 |
abceinrstuv |
11 |
2,793 |
| 2017 |
sanguinolency |
7,597 |
acegilnosuy |
11 |
2,792 |
| 2018 |
electrolyzing |
7,598 |
cegilnortyz |
11 |
2,790 |
| 2019 |
pythagoreanly |
7,598 |
aeghlnoprty |
11 |
2,791 |
| 2020 |
sulphostannic |
7,598 |
achilnopstu |
11 |
2,789 |