19 letter Words with the Lowest Letter Frequency Scores
| # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) |
| 541 |
undenominationalist |
13,162 |
adeilmnostu |
11 |
422 |
| 542 |
interdepartmentally |
13,167 |
adeilmnprty |
11 |
421 |
| 543 |
nonhistrionicalness |
13,180 |
acehilnorst |
11 |
420 |
| 544 |
nonconfidentialness |
13,186 |
acdefilnost |
11 |
419 |
| 545 |
electroluminescence |
13,197 |
ceilmnorstu |
11 |
418 |
| 546 |
contemporaneousness |
13,205 |
acemnoprstu |
11 |
417 |
| 547 |
metaphenylenediamin |
13,226 |
adehilmnpty |
11 |
416 |
| 548 |
photoreconnaissance |
13,232 |
acehinoprst |
11 |
415 |
| 549 |
unconventionalities |
13,241 |
aceilnostuv |
11 |
414 |
| 550 |
chorioepitheliomata |
13,243 |
acehilmoprt |
11 |
413 |
| 551 |
ultracentenarianism |
13,257 |
aceilmnrstu |
11 |
412 |
| 552 |
archconfraternities |
13,266 |
acefhinorst |
11 |
411 |
| 553 |
palaeoherpetologist |
13,270 |
aeghiloprst |
11 |
410 |
| 554 |
integrodifferential |
13,286 |
adefgilnort |
11 |
409 |
| 555 |
mesembryanthemaceae |
13,287 |
abcehmnrsty |
11 |
408 |
| 556 |
counterdemonstrator |
13,326 |
acdemnorstu |
11 |
406 |
| 557 |
superattractiveness |
13,326 |
aceinprstuv |
11 |
407 |
| 558 |
penecontemporaneous |
13,333 |
acemnoprstu |
11 |
405 |
| 559 |
unascertainableness |
13,360 |
abceilnrstu |
11 |
404 |
| 560 |
nondemonstrableness |
13,370 |
abdelmnorst |
11 |
403 |