17 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 1981 |
astrophotographic |
10,333 |
acghioprst |
10 |
2,390 |
| 1982 |
phalacrocoracidae |
10,338 |
acdehilopr |
10 |
2,389 |
| 1983 |
silicoflagellidae |
10,345 |
acdefgilos |
10 |
2,388 |
| 1984 |
scheuchzeriaceous |
10,355 |
acehiorsuz |
10 |
2,387 |
| 1985 |
brachiostrophosis |
10,362 |
abchioprst |
10 |
2,386 |
| 1986 |
anthropomorphitic |
10,377 |
achimnoprt |
10 |
2,385 |
| 1987 |
quasquicentennial |
10,380 |
aceilnqstu |
10 |
2,384 |
| 1988 |
nonhierarchically |
10,383 |
acehilnory |
10 |
2,383 |
| 1989 |
anthropomophitism |
10,393 |
ahimnoprst |
10 |
2,381 |
| 1990 |
nonconcentrically |
10,393 |
aceilnorty |
10 |
2,382 |
| 1991 |
ileosigmoidostomy |
10,399 |
degilmosty |
10 |
2,380 |
| 1992 |
otolaryngologists |
10,401 |
agilnorsty |
10 |
2,379 |
| 1993 |
noncongratulatory |
10,408 |
acglnortuy |
10 |
2,378 |
| 1994 |
uncarnivorousness |
10,412 |
aceinorsuv |
10 |
2,377 |
| 1995 |
underaccommodated |
10,419 |
acdemnortu |
10 |
2,376 |
| 1996 |
parallelepipedous |
10,419 |
adeiloprsu |
10 |
2,375 |
| 1997 |
characterological |
10,423 |
aceghilort |
10 |
2,374 |
| 1998 |
occipitocalcarine |
10,426 |
aceilnoprt |
10 |
2,373 |
| 1999 |
postmillennialism |
10,429 |
aeilmnopst |
10 |
2,372 |
| 2000 |
supergloriousness |
10,441 |
egilnoprsu |
10 |
2,371 |