13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 16761 | otherwiseness | 9,997 | ehinorstw | 9 | 10,671 | 
                                        
                                                | 16762 | attemperation | 9,997 | aeimnoprt | 9 | 10,670 | 
                                        
                                                | 16763 | anathematised | 9,999 | adehimnst | 9 | 10,669 | 
                                        
                                                | 16764 | predelineated | 10,002 | adeilnprt | 9 | 10,668 | 
                                        
                                                | 16765 | heterostracan | 10,006 | acehnorst | 9 | 10,666 | 
                                        
                                                | 16766 | naemorhedinae | 10,006 | adehimnor | 9 | 10,667 | 
                                        
                                                | 16767 | elaborateness | 10,008 | abelnorst | 9 | 10,665 | 
                                        
                                                | 16768 | asthenosphere | 10,015 | aehnoprst | 9 | 10,663 | 
                                        
                                                | 16769 | electrorefine | 10,015 | cefilnort | 9 | 10,664 | 
                                        
                                                | 16770 | denationalise | 10,016 | adeilnost | 9 | 10,662 | 
                                        
                                                | 16771 | antiresonance | 10,023 | aceinorst | 9 | 10,661 | 
                                        
                                                | 16772 | laurotetanine | 10,025 | aeilnortu | 9 | 10,660 | 
                                        
                                                | 16773 | ornitholestes | 10,034 | ehilnorst | 9 | 10,659 | 
                                        
                                                | 16774 | sedimentaries | 10,036 | adeimnrst | 9 | 10,658 | 
                                        
                                                | 16775 | foredetermine | 10,039 | defimnort | 9 | 10,657 | 
                                        
                                                | 16776 | externalities | 10,040 | aeilnrstx | 9 | 10,656 | 
                                        
                                                | 16777 | autoheterosis | 10,041 | aehiorstu | 9 | 10,653 | 
                                        
                                                | 16778 | theotherapist | 10,041 | aehioprst | 9 | 10,655 | 
                                        
                                                | 16779 | heteroousiast | 10,041 | aehiorstu | 9 | 10,654 | 
                                        
                                                | 16780 | fenestellidae | 10,042 | adefilnst | 9 | 10,652 |