16 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 1981 |
thyroidectomized |
10,030 |
cdehimortyz |
11 |
1,961 |
| 1982 |
epidermophytosis |
10,030 |
dehimoprsty |
11 |
1,960 |
| 1983 |
pseudopapaverine |
10,031 |
adeinoprsuv |
11 |
1,959 |
| 1984 |
machinotechnique |
10,032 |
acehimnoqtu |
11 |
1,958 |
| 1985 |
complimentalness |
10,042 |
aceilmnopst |
11 |
1,957 |
| 1986 |
noncontributable |
10,043 |
abceilnortu |
11 |
1,956 |
| 1987 |
preconseccrating |
10,045 |
aceginoprst |
11 |
1,955 |
| 1988 |
noncompetitively |
10,046 |
ceilmnoptvy |
11 |
1,954 |
| 1989 |
siphonocladiales |
10,048 |
acdehilnops |
11 |
1,953 |
| 1990 |
transportability |
10,051 |
abilnoprsty |
11 |
1,952 |
| 1991 |
unpredaciousness |
10,052 |
acdeinoprsu |
11 |
1,951 |
| 1992 |
discoplacentalia |
10,053 |
acdeilnopst |
11 |
1,949 |
| 1993 |
debituminization |
10,053 |
abdeimnotuz |
11 |
1,948 |
| 1994 |
uncongregational |
10,053 |
acegilnortu |
11 |
1,950 |
| 1995 |
microlepidoptera |
10,054 |
acdeilmoprt |
11 |
1,945 |
| 1996 |
verticilliaceous |
10,054 |
aceilorstuv |
11 |
1,947 |
| 1997 |
overtruthfulness |
10,054 |
efhlnorstuv |
11 |
1,946 |
| 1998 |
hemimetamorphous |
10,060 |
aehimoprstu |
11 |
1,944 |
| 1999 |
schizogregarinae |
10,061 |
aceghinorsz |
11 |
1,943 |
| 2000 |
hemagglutinative |
10,061 |
aeghilmntuv |
11 |
1,942 |