13 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 16421 |
amniocentesis |
9,534 |
aceimnost |
9 |
11,009 |
| 16422 |
cholesteatoma |
9,534 |
acehlmost |
9 |
11,010 |
| 16423 |
sclerotiniose |
9,534 |
ceilnorst |
9 |
11,011 |
| 16424 |
exteroceptist |
9,535 |
ceioprstx |
9 |
11,008 |
| 16425 |
extermination |
9,536 |
aeimnortx |
9 |
11,007 |
| 16426 |
interactional |
9,537 |
aceilnort |
9 |
11,005 |
| 16427 |
gastrasthenia |
9,537 |
aeghinrst |
9 |
11,004 |
| 16428 |
endoceratitic |
9,537 |
acdeinort |
9 |
11,002 |
| 16429 |
intercalation |
9,537 |
aceilnort |
9 |
11,006 |
| 16430 |
unthreatening |
9,537 |
aeghinrtu |
9 |
11,003 |
| 16431 |
fontinalaceae |
9,538 |
acefilnot |
9 |
11,001 |
| 16432 |
endangerments |
9,539 |
adegmnrst |
9 |
10,999 |
| 16433 |
sensitometric |
9,539 |
ceimnorst |
9 |
11,000 |
| 16434 |
phreneticness |
9,540 |
cehinprst |
9 |
10,997 |
| 16435 |
phaenogenesis |
9,540 |
aeghinops |
9 |
10,996 |
| 16436 |
weatherfishes |
9,540 |
aefhirstw |
9 |
10,998 |
| 16437 |
demipectinate |
9,541 |
acdeimnpt |
9 |
10,995 |
| 16438 |
unpenetrative |
9,542 |
aeinprtuv |
9 |
10,994 |
| 16439 |
tektosilicate |
9,542 |
aceiklost |
9 |
10,993 |
| 16440 |
overtolerance |
9,543 |
acelnortv |
9 |
10,992 |