13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 16901 | whippoorwills | 6,398 | hiloprsw | 8 | 19,971 | 
                                        
                                                | 16902 | microgramming | 6,401 | acgimnor | 8 | 19,970 | 
                                        
                                                | 16903 | clappermaclaw | 6,412 | acelmprw | 8 | 19,969 | 
                                        
                                                | 16904 | vividiffusion | 6,417 | dfinosuv | 8 | 19,968 | 
                                        
                                                | 16905 | liguliflorous | 6,431 | fgilorsu | 8 | 19,967 | 
                                        
                                                | 16906 | quaverymavery | 6,436 | aemqruvy | 8 | 19,966 | 
                                        
                                                | 16907 | parafloccular | 6,446 | acflopru | 8 | 19,965 | 
                                        
                                                | 16908 | bibliophilism | 6,449 | bhilmops | 8 | 19,964 | 
                                        
                                                | 16909 | inconvincibly | 6,457 | bcilnovy | 8 | 19,963 | 
                                        
                                                | 16910 | comicocynical | 6,459 | acilmnoy | 8 | 19,962 | 
                                        
                                                | 16911 | multiloquious | 6,468 | ilmoqstu | 8 | 19,961 | 
                                        
                                                | 16912 | unsufficiency | 6,471 | cefinsuy | 8 | 19,960 | 
                                        
                                                | 16913 | unbarbarizing | 6,476 | abginruz | 8 | 19,959 | 
                                        
                                                | 16914 | scyphophorous | 6,480 | choprsuy | 8 | 19,958 | 
                                        
                                                | 16915 | subparagraphs | 6,492 | abghprsu | 8 | 19,957 | 
                                        
                                                | 16916 | schizomycosis | 6,495 | chimosyz | 8 | 19,956 | 
                                        
                                                | 16917 | allotypically | 6,500 | acilopty | 8 | 19,954 | 
                                        
                                                | 16918 | prosopography | 6,500 | aghoprsy | 8 | 19,955 | 
                                        
                                                | 16919 | impalpability | 6,508 | abilmpty | 8 | 19,953 | 
                                        
                                                | 16920 | subbituminous | 6,514 | bimnostu | 8 | 19,952 |