17 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 1961 |
misclassification |
10,236 |
acfilmnost |
10 |
2,410 |
| 1962 |
nonintoxicatingly |
10,241 |
acgilnotxy |
10 |
2,409 |
| 1963 |
quadriarticulated |
10,244 |
acdeilqrtu |
10 |
2,408 |
| 1964 |
nonmultiplication |
10,244 |
acilmnoptu |
10 |
2,407 |
| 1965 |
magnetophonograph |
10,247 |
aeghmnoprt |
10 |
2,406 |
| 1966 |
unproportionality |
10,253 |
ailnoprtuy |
10 |
2,405 |
| 1967 |
proctosigmoiditis |
10,255 |
cdgimoprst |
10 |
2,404 |
| 1968 |
dihydromorphinone |
10,264 |
dehimnopry |
10 |
2,402 |
| 1969 |
mishikhwutmetunne |
10,264 |
ehikmnstuw |
10 |
2,403 |
| 1970 |
nonviviparousness |
10,275 |
aeinoprsuv |
10 |
2,401 |
| 1971 |
nonassimilability |
10,289 |
abilmnosty |
10 |
2,400 |
| 1972 |
supranaturalistic |
10,300 |
acilnprstu |
10 |
2,399 |
| 1973 |
cerebroganglionic |
10,303 |
abcegilnor |
10 |
2,398 |
| 1974 |
commissionerships |
10,307 |
cehimnoprs |
10 |
2,396 |
| 1975 |
hyperirritability |
10,307 |
abehilprty |
10 |
2,397 |
| 1976 |
metapostscutellum |
10,317 |
acelmopstu |
10 |
2,395 |
| 1977 |
discorrespondency |
10,320 |
cdeinoprsy |
10 |
2,394 |
| 1978 |
cercidiphyllaceae |
10,320 |
acdehilpry |
10 |
2,393 |
| 1979 |
oversorrowfulness |
10,329 |
eflnorsuvw |
10 |
2,392 |
| 1980 |
nondiffusibleness |
10,330 |
bdefilnosu |
10 |
2,391 |