17 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 1641 | phototherapeutics | 11,550 | acehioprstu | 11 | 1,166 | 
                                        
                                                | 1642 | preadministrative | 11,554 | adeimnprstv | 11 | 1,165 | 
                                        
                                                | 1643 | impersonalisation | 11,554 | aeilmnoprst | 11 | 1,164 | 
                                        
                                                | 1644 | actinostereoscopy | 11,559 | aceinoprsty | 11 | 1,163 | 
                                        
                                                | 1645 | nonconversational | 11,561 | aceilnorstv | 11 | 1,162 | 
                                        
                                                | 1646 | nonconservational | 11,561 | aceilnorstv | 11 | 1,161 | 
                                        
                                                | 1647 | noninheritability | 11,563 | abehilnorty | 11 | 1,160 | 
                                        
                                                | 1648 | semirevolutionist | 11,564 | eilmnorstuv | 11 | 1,159 | 
                                        
                                                | 1649 | underorganisation | 11,574 | adeginorstu | 11 | 1,158 | 
                                        
                                                | 1650 | institutionalized | 11,579 | adeilnostuz | 11 | 1,156 | 
                                        
                                                | 1651 | uncontainableness | 11,579 | abceilnostu | 11 | 1,157 | 
                                        
                                                | 1652 | meningocerebritis | 11,583 | bcegimnorst | 11 | 1,155 | 
                                        
                                                | 1653 | cerebromeningitis | 11,583 | bcegimnorst | 11 | 1,154 | 
                                        
                                                | 1654 | autophotoelectric | 11,585 | acehiloprtu | 11 | 1,153 | 
                                        
                                                | 1655 | cardiodysesthesia | 11,592 | acdehiorsty | 11 | 1,152 | 
                                        
                                                | 1656 | prerecommendation | 11,596 | acdeimnoprt | 11 | 1,151 | 
                                        
                                                | 1657 | unpropitiatedness | 11,598 | adeinoprstu | 11 | 1,150 | 
                                        
                                                | 1658 | contradictiveness | 11,599 | acdeinorstv | 11 | 1,149 | 
                                        
                                                | 1659 | comprehensiveness | 11,600 | cehimnoprsv | 11 | 1,148 | 
                                        
                                                | 1660 | unpreventableness | 11,601 | abelnprstuv | 11 | 1,147 |