13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 13701 | 
                                                understrapper | 
                        8,339 | 
                        adenprstu | 
                        9 | 
                        13,734 | 
                    
                                        
                                                | 13702 | 
                                                semimalignant | 
                        8,339 | 
                        aegilmnst | 
                        9 | 
                        13,730 | 
                    
                                        
                                                | 13703 | 
                                                phantasmalian | 
                        8,340 | 
                        ahilmnpst | 
                        9 | 
                        13,726 | 
                    
                                        
                                                | 13704 | 
                                                repealability | 
                        8,340 | 
                        abeilprty | 
                        9 | 
                        13,728 | 
                    
                                        
                                                | 13705 | 
                                                protoblattoid | 
                        8,340 | 
                        abdiloprt | 
                        9 | 
                        13,727 | 
                    
                                        
                                                | 13706 | 
                                                extramatrical | 
                        8,340 | 
                        aceilmrtx | 
                        9 | 
                        13,729 | 
                    
                                        
                                                | 13707 | 
                                                helispherical | 
                        8,341 | 
                        acehilprs | 
                        9 | 
                        13,725 | 
                    
                                        
                                                | 13708 | 
                                                interchanging | 
                        8,342 | 
                        aceghinrt | 
                        9 | 
                        13,724 | 
                    
                                        
                                                | 13709 | 
                                                orbitofrontal | 
                        8,343 | 
                        abfilnort | 
                        9 | 
                        13,723 | 
                    
                                        
                                                | 13710 | 
                                                unchangedness | 
                        8,343 | 
                        acdeghnsu | 
                        9 | 
                        13,721 | 
                    
                                        
                                                | 13711 | 
                                                frontoorbital | 
                        8,343 | 
                        abfilnort | 
                        9 | 
                        13,719 | 
                    
                                        
                                                | 13712 | 
                                                extratelluric | 
                        8,343 | 
                        aceilrtux | 
                        9 | 
                        13,720 | 
                    
                                        
                                                | 13713 | 
                                                unpersevering | 
                        8,343 | 
                        eginprsuv | 
                        9 | 
                        13,722 | 
                    
                                        
                                                | 13714 | 
                                                precipitately | 
                        8,344 | 
                        aceilprty | 
                        9 | 
                        13,716 | 
                    
                                        
                                                | 13715 | 
                                                noncompletion | 
                        8,344 | 
                        ceilmnopt | 
                        9 | 
                        13,718 | 
                    
                                        
                                                | 13716 | 
                                                hemoleucocyte | 
                        8,344 | 
                        cehlmotuy | 
                        9 | 
                        13,717 | 
                    
                                        
                                                | 13717 | 
                                                paleometallic | 
                        8,345 | 
                        aceilmopt | 
                        9 | 
                        13,714 | 
                    
                                        
                                                | 13718 | 
                                                orthohydrogen | 
                        8,345 | 
                        deghnorty | 
                        9 | 
                        13,713 | 
                    
                                        
                                                | 13719 | 
                                                palmatilobate | 
                        8,345 | 
                        abeilmopt | 
                        9 | 
                        13,715 | 
                    
                                        
                                                | 13720 | 
                                                mataeological | 
                        8,346 | 
                        acegilmot | 
                        9 | 
                        13,711 |