13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 1 | objurgatively | 6,395 | abegijlortuvy | 13 | 43 | 
                                        
                                                | 2 | preblockading | 6,514 | abcdegiklnopr | 13 | 42 | 
                                        
                                                | 3 | consumptively | 6,656 | ceilmnopstuvy | 13 | 41 | 
                                        
                                                | 4 | unexorcisably | 6,772 | abceilnorsuxy | 13 | 40 | 
                                        
                                                | 5 | mynpachtbrief | 6,848 | abcefhimnprty | 13 | 39 | 
                                        
                                                | 6 | unpredictably | 6,883 | abcdeilnprtuy | 13 | 38 | 
                                        
                                                | 7 | unsympathized | 6,951 | adehimnpstuyz | 13 | 37 | 
                                        
                                                | 8 | amphigenously | 6,971 | aeghilmnopsuy | 13 | 36 | 
                                        
                                                | 9 | undisprovable | 6,998 | abdeilnoprsuv | 13 | 35 | 
                                        
                                                | 10 | copyrightable | 7,031 | abceghiloprty | 13 | 34 | 
                                        
                                                | 11 | brachydontism | 7,062 | abcdhimnorsty | 13 | 33 | 
                                        
                                                | 12 | uncopyrighted | 7,087 | cdeghinoprtuy | 13 | 32 | 
                                        
                                                | 13 | troublemaking | 7,088 | abegiklmnortu | 13 | 31 | 
                                        
                                                | 14 | unblameworthy | 7,097 | abehlmnortuwy | 13 | 30 | 
                                        
                                                | 15 | philydraceous | 7,117 | acdehiloprsuy | 13 | 29 | 
                                        
                                                | 16 | embryoplastic | 7,125 | abceilmoprsty | 13 | 28 | 
                                        
                                                | 17 | sulphocyanide | 7,210 | acdehilnopsuy | 13 | 27 | 
                                        
                                                | 18 | misconjugated | 7,211 | acdegijmnostu | 13 | 26 | 
                                        
                                                | 19 | unproblematic | 7,269 | abceilmnoprtu | 13 | 25 | 
                                        
                                                | 20 | salpingectomy | 7,272 | acegilmnopsty | 13 | 24 |