15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 7081 | undisturbedness | 9,510 | bdeinrstu | 9 | 7,571 | 
                                        
                                                | 7082 | plainspokenness | 9,515 | aeiklnops | 9 | 7,570 | 
                                        
                                                | 7083 | undebauchedness | 9,516 | abcdehnsu | 9 | 7,569 | 
                                        
                                                | 7084 | inscribableness | 9,521 | abceilnrs | 9 | 7,566 | 
                                        
                                                | 7085 | rhynchonellacea | 9,521 | acehlnory | 9 | 7,568 | 
                                        
                                                | 7086 | autocollimation | 9,521 | acilmnotu | 9 | 7,565 | 
                                        
                                                | 7087 | paroemiographer | 9,521 | aeghimopr | 9 | 7,567 | 
                                        
                                                | 7088 | illustriousness | 9,523 | eilnorstu | 9 | 7,564 | 
                                        
                                                | 7089 | unlitigiousness | 9,524 | egilnostu | 9 | 7,562 | 
                                        
                                                | 7090 | multiarticulate | 9,524 | aceilmrtu | 9 | 7,563 | 
                                        
                                                | 7091 | subconcessioner | 9,526 | bceinorsu | 9 | 7,561 | 
                                        
                                                | 7092 | scientistically | 9,527 | aceilnsty | 9 | 7,560 | 
                                        
                                                | 7093 | chorioallantoic | 9,527 | achilnort | 9 | 7,559 | 
                                        
                                                | 7094 | noncontrollable | 9,529 | abcelnort | 9 | 7,558 | 
                                        
                                                | 7095 | unfalsifiedness | 9,530 | adefilnsu | 9 | 7,557 | 
                                        
                                                | 7096 | unbreakableness | 9,531 | abeklnrsu | 9 | 7,556 | 
                                        
                                                | 7097 | diagnosticating | 9,532 | acdginost | 9 | 7,555 | 
                                        
                                                | 7098 | unfurnishedness | 9,536 | defhinrsu | 9 | 7,554 | 
                                        
                                                | 7099 | ichthyornithoid | 9,536 | cdhinorty | 9 | 7,553 | 
                                        
                                                | 7100 | irreversibility | 9,541 | beilrstvy | 9 | 7,552 |