13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 10921 | hypermorphism | 6,814 | ehimoprsy | 9 | 16,511 | 
                                        
                                                | 10922 | inequilibrium | 6,818 | beilmnqru | 9 | 16,510 | 
                                        
                                                | 10923 | topologically | 6,818 | acgilopty | 9 | 16,509 | 
                                        
                                                | 10924 | semicynically | 6,820 | aceilmnsy | 9 | 16,508 | 
                                        
                                                | 10925 | polyoeciously | 6,824 | ceilopsuy | 9 | 16,507 | 
                                        
                                                | 10926 | unphilosophic | 6,826 | chilnopsu | 9 | 16,506 | 
                                        
                                                | 10927 | bougainvillia | 6,827 | abgilnouv | 9 | 16,505 | 
                                        
                                                | 10928 | subabsolutely | 6,829 | abelostuy | 9 | 16,504 | 
                                        
                                                | 10929 | epiphytically | 6,831 | acehilpty | 9 | 16,503 | 
                                        
                                                | 10930 | brachygrapher | 6,832 | abceghpry | 9 | 16,502 | 
                                        
                                                | 10931 | acclimatizing | 6,833 | acgilmntz | 9 | 16,501 | 
                                        
                                                | 10932 | lactobacillus | 6,834 | abcilostu | 9 | 16,500 | 
                                        
                                                | 10933 | jitterbugging | 6,837 | begijnrtu | 9 | 16,499 | 
                                        
                                                | 10934 | chronogrammic | 6,837 | acghimnor | 9 | 16,498 | 
                                        
                                                | 10935 | polysiphonous | 6,839 | hilnopsuy | 9 | 16,497 | 
                                        
                                                | 10936 | cyclotosaurus | 6,843 | aclorstuy | 9 | 16,496 | 
                                        
                                                | 10937 | panpsychistic | 6,844 | achinpsty | 9 | 16,494 | 
                                        
                                                | 10938 | polynomialism | 6,844 | ailmnopsy | 9 | 16,495 | 
                                        
                                                | 10939 | underbuilding | 6,846 | bdegilnru | 9 | 16,493 | 
                                        
                                                | 10940 | unsulphureous | 6,847 | ehlnoprsu | 9 | 16,492 |