13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 10881 | mircrobicidal | 6,759 | abcdilmor | 9 | 16,551 | 
                                        
                                                | 10882 | dissyllabized | 6,759 | abdeilsyz | 9 | 16,549 | 
                                        
                                                | 10883 | formicivorous | 6,759 | cfimorsuv | 9 | 16,550 | 
                                        
                                                | 10884 | scallawaggery | 6,761 | aceglrswy | 9 | 16,547 | 
                                        
                                                | 10885 | commemorizing | 6,761 | cegimnorz | 9 | 16,548 | 
                                        
                                                | 10886 | imperspicuous | 6,762 | ceimoprsu | 9 | 16,546 | 
                                        
                                                | 10887 | purposivistic | 6,763 | cioprstuv | 9 | 16,545 | 
                                        
                                                | 10888 | spookological | 6,764 | acgiklops | 9 | 16,543 | 
                                        
                                                | 10889 | underpropping | 6,764 | deginopru | 9 | 16,544 | 
                                        
                                                | 10890 | mollycoddlers | 6,769 | cdelmorsy | 9 | 16,542 | 
                                        
                                                | 10891 | pharyngopathy | 6,772 | aghnoprty | 9 | 16,541 | 
                                        
                                                | 10892 | macroscopical | 6,775 | acilmoprs | 9 | 16,540 | 
                                        
                                                | 10893 | overfavorably | 6,776 | abeflorvy | 9 | 16,539 | 
                                        
                                                | 10894 | gutturalizing | 6,778 | agilnrtuz | 9 | 16,538 | 
                                        
                                                | 10895 | cardiopyloric | 6,779 | acdilopry | 9 | 16,537 | 
                                        
                                                | 10896 | oversurviving | 6,783 | eginorsuv | 9 | 16,536 | 
                                        
                                                | 10897 | bradydactylia | 6,783 | abcdilrty | 9 | 16,534 | 
                                        
                                                | 10898 | colloquialize | 6,783 | aceiloquz | 9 | 16,535 | 
                                        
                                                | 10899 | ebullioscopic | 6,785 | bceilopsu | 9 | 16,533 | 
                                        
                                                | 10900 | saccobranchus | 6,787 | abchnorsu | 9 | 16,532 |