13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 12041 | trophallactic | 7,657 | achiloprt | 9 | 15,392 | 
                                        
                                                | 12042 | benziminazole | 7,658 | abeilmnoz | 9 | 15,390 | 
                                        
                                                | 12043 | nullification | 7,658 | acfilnotu | 9 | 15,389 | 
                                        
                                                | 12044 | pseudepiploon | 7,658 | deilnopsu | 9 | 15,388 | 
                                        
                                                | 12045 | panpneumatism | 7,659 | aeimnpstu | 9 | 15,387 | 
                                        
                                                | 12046 | metalammonium | 7,660 | aeilmnotu | 9 | 15,386 | 
                                        
                                                | 12047 | broncobusters | 7,660 | bcenorstu | 9 | 15,385 | 
                                        
                                                | 12048 | ophicephaloid | 7,661 | acdehilop | 9 | 15,380 | 
                                        
                                                | 12049 | ampullariidae | 7,661 | adeilmpru | 9 | 15,383 | 
                                        
                                                | 12050 | unsatanically | 7,661 | acilnstuy | 9 | 15,382 | 
                                        
                                                | 12051 | promonopolist | 7,661 | ilmnoprst | 9 | 15,381 | 
                                        
                                                | 12052 | archaeography | 7,661 | aceghopry | 9 | 15,384 | 
                                        
                                                | 12053 | precancelling | 7,662 | acegilnpr | 9 | 15,379 | 
                                        
                                                | 12054 | hypocathartic | 7,664 | achioprty | 9 | 15,374 | 
                                        
                                                | 12055 | preconceiving | 7,664 | ceginoprv | 9 | 15,378 | 
                                        
                                                | 12056 | knuckleheaded | 7,664 | acdehklnu | 9 | 15,376 | 
                                        
                                                | 12057 | insubmersible | 7,664 | beilmnrsu | 9 | 15,375 | 
                                        
                                                | 12058 | fibromembrane | 7,664 | abefimnor | 9 | 15,377 | 
                                        
                                                | 12059 | librarianship | 7,665 | abhilnprs | 9 | 15,372 | 
                                        
                                                | 12060 | mechanicalism | 7,665 | acehilmns | 9 | 15,373 |