13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 16501 | 
                                                heterocoelous | 
                        9,599 | 
                        cehlorstu | 
                        9 | 
                        10,930 | 
                    
                                        
                                                | 16502 | 
                                                intemperature | 
                        9,599 | 
                        aeimnprtu | 
                        9 | 
                        10,931 | 
                    
                                        
                                                | 16503 | 
                                                interneuronal | 
                        9,600 | 
                        aeilnortu | 
                        9 | 
                        10,928 | 
                    
                                        
                                                | 16504 | 
                                                dinoceratidae | 
                        9,600 | 
                        acdeinort | 
                        9 | 
                        10,929 | 
                    
                                        
                                                | 16505 | 
                                                reenunciation | 
                        9,602 | 
                        aceinortu | 
                        9 | 
                        10,926 | 
                    
                                        
                                                | 16506 | 
                                                reflectedness | 
                        9,602 | 
                        cdeflnrst | 
                        9 | 
                        10,927 | 
                    
                                        
                                                | 16507 | 
                                                hellespontine | 
                        9,603 | 
                        ehilnopst | 
                        9 | 
                        10,925 | 
                    
                                        
                                                | 16508 | 
                                                interpilaster | 
                        9,605 | 
                        aeilnprst | 
                        9 | 
                        10,924 | 
                    
                                        
                                                | 16509 | 
                                                ephemeralness | 
                        9,606 | 
                        aehlmnprs | 
                        9 | 
                        10,923 | 
                    
                                        
                                                | 16510 | 
                                                disentailment | 
                        9,607 | 
                        adeilmnst | 
                        9 | 
                        10,922 | 
                    
                                        
                                                | 16511 | 
                                                autoelevation | 
                        9,607 | 
                        aeilnotuv | 
                        9 | 
                        10,921 | 
                    
                                        
                                                | 16512 | 
                                                dotriacontane | 
                        9,608 | 
                        acdeinort | 
                        9 | 
                        10,920 | 
                    
                                        
                                                | 16513 | 
                                                amortissement | 
                        9,610 | 
                        aeimnorst | 
                        9 | 
                        10,919 | 
                    
                                        
                                                | 16514 | 
                                                parliamenteer | 
                        9,611 | 
                        aeilmnprt | 
                        9 | 
                        10,917 | 
                    
                                        
                                                | 16515 | 
                                                separationist | 
                        9,611 | 
                        aeinoprst | 
                        9 | 
                        10,918 | 
                    
                                        
                                                | 16516 | 
                                                eumerogenesis | 
                        9,612 | 
                        egimnorsu | 
                        9 | 
                        10,916 | 
                    
                                        
                                                | 16517 | 
                                                sovereignties | 
                        9,613 | 
                        eginorstv | 
                        9 | 
                        10,914 | 
                    
                                        
                                                | 16518 | 
                                                counterfeiter | 
                        9,613 | 
                        cefinortu | 
                        9 | 
                        10,915 | 
                    
                                        
                                                | 16519 | 
                                                overreadiness | 
                        9,615 | 
                        adeinorsv | 
                        9 | 
                        10,913 | 
                    
                                        
                                                | 16520 | 
                                                electrostatic | 
                        9,615 | 
                        aceilorst | 
                        9 | 
                        10,912 |