15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 8141 | semicentenaries | 11,772 | aceimnrst | 9 | 6,511 | 
                                        
                                                | 8142 | thermanesthesia | 11,779 | aehimnrst | 9 | 6,510 | 
                                        
                                                | 8143 | intemperateness | 11,862 | aeimnprst | 9 | 6,509 | 
                                        
                                                | 8144 | arseniosiderite | 11,876 | adeinorst | 9 | 6,508 | 
                                        
                                                | 8145 | antiteetotalism | 11,880 | aeilmnost | 9 | 6,507 | 
                                        
                                                | 8146 | preteressential | 11,906 | aeilnprst | 9 | 6,506 | 
                                        
                                                | 8147 | trueheartedness | 11,907 | adehnrstu | 9 | 6,505 | 
                                        
                                                | 8148 | tenthredinoidea | 11,916 | adehinort | 9 | 6,504 | 
                                        
                                                | 8149 | deuteroelastose | 11,952 | adelorstu | 9 | 6,503 | 
                                        
                                                | 8150 | intercessionate | 11,987 | aceinorst | 9 | 6,502 | 
                                        
                                                | 8151 | tameheartedness | 12,090 | adehmnrst | 9 | 6,501 | 
                                        
                                                | 8152 | determinateness | 12,112 | adeimnrst | 9 | 6,500 | 
                                        
                                                | 8153 | tetraselenodont | 12,134 | adelnorst | 9 | 6,499 | 
                                        
                                                | 8154 | freeheartedness | 12,141 | adefhnrst | 9 | 6,498 | 
                                        
                                                | 8155 | nonetherealness | 12,231 | aehlnorst | 9 | 6,497 | 
                                        
                                                | 8156 | heterogeneities | 12,780 | eghinorst | 9 | 6,496 | 
                                        
                                                | 8157 | chylophyllously | 6,314 | chlopsuy | 8 | 8,722 | 
                                        
                                                | 8158 | circumumbilical | 6,463 | abcilmru | 8 | 8,721 | 
                                        
                                                | 8159 | bibliopolically | 7,095 | abcilopy | 8 | 8,720 | 
                                        
                                                | 8160 | phylloporphyrin | 7,114 | hilnopry | 8 | 8,719 |