13 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
4301 quadrigeminum 6,517 adegimnqru 10 10,352
4302 churchmanship 6,517 achimnprsu 10 10,351
4303 brachypleural 6,519 abcehlpruy 10 10,350
4304 unclassifying 6,521 acfgilnsuy 10 10,349
4305 cubocuneiform 6,524 bcefimnoru 10 10,347
4306 uncivilizable 6,524 abceilnuvz 10 10,348
4307 cryptological 6,525 acgiloprty 10 10,345
4308 czechoslovaks 6,525 acehklosvz 10 10,346
4309 callorhynchus 6,526 achlnorsuy 10 10,344
4310 unblenchingly 6,528 bceghilnuy 10 10,342
4311 immarcescibly 6,528 abceilmrsy 10 10,343
4312 spasmodically 6,532 acdilmopsy 10 10,341
4313 noncompulsory 6,535 clmnoprsuy 10 10,340
4314 dihydrocuprin 6,537 cdhinopruy 10 10,339
4315 unshrinkingly 6,538 ghiklnrsuy 10 10,338
4316 gymnastically 6,541 acgilmnsty 10 10,337
4317 procompulsion 6,542 cilmnoprsu 10 10,336
4318 cryptographal 6,545 acghloprty 10 10,335
4319 chromoplasmic 6,545 achilmoprs 10 10,334
4320 incongruously 6,546 cgilnorsuy 10 10,333