15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 8381 | 
                                                purposelessness | 
                        9,861 | 
                        elnoprsu | 
                        8 | 
                        8,497 | 
                    
                                        
                                                | 8382 | 
                                                uncourteousness | 
                        9,861 | 
                        cenorstu | 
                        8 | 
                        8,498 | 
                    
                                        
                                                | 8383 | 
                                                prediphtheritic | 
                        9,872 | 
                        cdehiprt | 
                        8 | 
                        8,496 | 
                    
                                        
                                                | 8384 | 
                                                siderosilicosis | 
                        9,877 | 
                        cdeilors | 
                        8 | 
                        8,495 | 
                    
                                        
                                                | 8385 | 
                                                unsuspectedness | 
                        9,879 | 
                        cdenpstu | 
                        8 | 
                        8,494 | 
                    
                                        
                                                | 8386 | 
                                                trisubstitution | 
                        9,879 | 
                        binorstu | 
                        8 | 
                        8,493 | 
                    
                                        
                                                | 8387 | 
                                                nonmutinousness | 
                        9,880 | 
                        eimnostu | 
                        8 | 
                        8,492 | 
                    
                                        
                                                | 8388 | 
                                                nonorganization | 
                        9,892 | 
                        aginortz | 
                        8 | 
                        8,491 | 
                    
                                        
                                                | 8389 | 
                                                irresistibility | 
                        9,895 | 
                        beilrsty | 
                        8 | 
                        8,490 | 
                    
                                        
                                                | 8390 | 
                                                overdiversifies | 
                        9,911 | 
                        defiorsv | 
                        8 | 
                        8,489 | 
                    
                                        
                                                | 8391 | 
                                                canadianization | 
                        9,914 | 
                        acdinotz | 
                        8 | 
                        8,488 | 
                    
                                        
                                                | 8392 | 
                                                unpersuadedness | 
                        9,916 | 
                        adenprsu | 
                        8 | 
                        8,487 | 
                    
                                        
                                                | 8393 | 
                                                inquisitiveness | 
                        9,922 | 
                        einqstuv | 
                        8 | 
                        8,486 | 
                    
                                        
                                                | 8394 | 
                                                tetracarpellary | 
                        9,926 | 
                        acelprty | 
                        8 | 
                        8,485 | 
                    
                                        
                                                | 8395 | 
                                                utriculariaceae | 
                        9,932 | 
                        aceilrtu | 
                        8 | 
                        8,484 | 
                    
                                        
                                                | 8396 | 
                                                noneffusiveness | 
                        9,933 | 
                        efinosuv | 
                        8 | 
                        8,482 | 
                    
                                        
                                                | 8397 | 
                                                unoffensiveness | 
                        9,933 | 
                        efinosuv | 
                        8 | 
                        8,483 | 
                    
                                        
                                                | 8398 | 
                                                anticombination | 
                        9,939 | 
                        abcimnot | 
                        8 | 
                        8,481 | 
                    
                                        
                                                | 8399 | 
                                                postconsonantal | 
                        9,940 | 
                        aclnopst | 
                        8 | 
                        8,480 | 
                    
                                        
                                                | 8400 | 
                                                phosphatisation | 
                        9,941 | 
                        ahinopst | 
                        8 | 
                        8,479 |