12 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 1961 |
superstoical |
7,420 |
aceiloprstu |
11 |
921 |
| 1962 |
dermogastric |
7,422 |
acdegimorst |
11 |
916 |
| 1963 |
romanticized |
7,422 |
acdeimnortz |
11 |
917 |
| 1964 |
aneurysmatic |
7,423 |
aceimnrstuy |
11 |
915 |
| 1965 |
turacoverdin |
7,424 |
acdeinortuv |
11 |
913 |
| 1966 |
lithographed |
7,424 |
adeghiloprt |
11 |
914 |
| 1967 |
aerodynamics |
7,425 |
acdeimnorsy |
11 |
912 |
| 1968 |
unhistorical |
7,426 |
achilnorstu |
11 |
911 |
| 1969 |
foreplanting |
7,428 |
aefgilnoprt |
11 |
910 |
| 1970 |
pterodactyli |
7,429 |
acdeiloprty |
11 |
909 |
| 1971 |
cryptostegia |
7,430 |
acegioprsty |
11 |
908 |
| 1972 |
negrophobist |
7,430 |
beghinoprst |
11 |
907 |
| 1973 |
unmatronlike |
7,431 |
aeiklmnortu |
11 |
906 |
| 1974 |
inchoatively |
7,432 |
acehilnotvy |
11 |
905 |
| 1975 |
fibroelastic |
7,432 |
abcefilorst |
11 |
904 |
| 1976 |
holopneustic |
7,433 |
cehilnopstu |
11 |
903 |
| 1977 |
bondelswarts |
7,433 |
abdelnorstw |
11 |
902 |
| 1978 |
uncreatively |
7,433 |
aceilnrtuvy |
11 |
901 |
| 1979 |
imponderable |
7,434 |
abdeilmnopr |
11 |
899 |
| 1980 |
protechnical |
7,434 |
acehilnoprt |
11 |
900 |