13 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
17381 hippopotamian 7,626 ahimnopt 8 19,492
17382 epileptically 7,628 aceilpty 8 19,490
17383 calcification 7,631 acfilnot 8 19,489
17384 thyrotoxicity 7,632 chiortxy 8 19,488
17385 brandenburger 7,633 abdegnru 8 19,487
17386 supernumerous 7,634 emnoprsu 8 19,486
17387 nephrorrhaphy 7,634 aehnopry 8 19,485
17388 inofficiosity 7,635 cfinosty 8 19,484
17389 suprasensuous 7,637 aenoprsu 8 19,483
17390 nonconverging 7,639 ceginorv 8 19,481
17391 cynogenealogy 7,639 aceglnoy 8 19,482
17392 holoquinonoid 7,645 dhilnoqu 8 19,480
17393 noncircuitous 7,646 cinorstu 8 19,479
17394 patriarchship 7,647 achiprst 8 19,478
17395 uninstructing 7,647 cginrstu 8 19,477
17396 nonprogrammer 7,653 aegmnopr 8 19,476
17397 nonanalyzable 7,654 abelnoyz 8 19,475
17398 subastragalar 7,656 abglrstu 8 19,474
17399 angelological 7,659 acegilno 8 19,473
17400 nondiabolical 7,660 abcdilno 8 19,472