15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 4581 | frontooccipital | 9,047 | acfilnoprt | 10 | 5,702 | 
                                        
                                                | 4582 | improvisatorial | 9,047 | ailmoprstv | 10 | 5,703 | 
                                        
                                                | 4583 | occipitofrontal | 9,047 | acfilnoprt | 10 | 5,704 | 
                                        
                                                | 4584 | superscriptions | 9,048 | ceinoprstu | 10 | 5,701 | 
                                        
                                                | 4585 | nonblamefulness | 9,049 | abeflmnosu | 10 | 5,700 | 
                                        
                                                | 4586 | ankylostomiasis | 9,050 | aiklmnosty | 10 | 5,699 | 
                                        
                                                | 4587 | pseudoreligious | 9,051 | degiloprsu | 10 | 5,698 | 
                                        
                                                | 4588 | necrobacillosis | 9,052 | abceilnors | 10 | 5,697 | 
                                        
                                                | 4589 | nonmonastically | 9,053 | acilmnosty | 10 | 5,694 | 
                                        
                                                | 4590 | serializability | 9,053 | abeilrstyz | 10 | 5,696 | 
                                        
                                                | 4591 | pseudocirrhosis | 9,053 | cdehioprsu | 10 | 5,695 | 
                                        
                                                | 4592 | nonpalliatively | 9,054 | aeilnoptvy | 10 | 5,692 | 
                                        
                                                | 4593 | phyllodiniation | 9,054 | adhilnopty | 10 | 5,693 | 
                                        
                                                | 4594 | nonconfiscatory | 9,055 | acfinorsty | 10 | 5,691 | 
                                        
                                                | 4595 | barothermograph | 9,057 | abeghmoprt | 10 | 5,688 | 
                                        
                                                | 4596 | thermobarograph | 9,057 | abeghmoprt | 10 | 5,690 | 
                                        
                                                | 4597 | presubstituting | 9,057 | beginprstu | 10 | 5,689 | 
                                        
                                                | 4598 | nitrocellulosic | 9,059 | ceilnorstu | 10 | 5,687 | 
                                        
                                                | 4599 | nonsuspensively | 9,062 | eilnopsuvy | 10 | 5,686 | 
                                        
                                                | 4600 | proconfiscation | 9,062 | acfinoprst | 10 | 5,685 |