13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 10861 | principalship | 6,737 | achilnprs | 9 | 16,571 | 
                                        
                                                | 10862 | chromosomally | 6,738 | achlmorsy | 9 | 16,570 | 
                                        
                                                | 10863 | borosalicylic | 6,738 | abcilorsy | 9 | 16,569 | 
                                        
                                                | 10864 | katabolically | 6,739 | abcikloty | 9 | 16,568 | 
                                        
                                                | 10865 | graphological | 6,740 | acghilopr | 9 | 16,566 | 
                                        
                                                | 10866 | logographical | 6,740 | acghilopr | 9 | 16,567 | 
                                        
                                                | 10867 | iliococcygeus | 6,741 | cegilosuy | 9 | 16,565 | 
                                        
                                                | 10868 | microgonidium | 6,742 | cdgimnoru | 9 | 16,563 | 
                                        
                                                | 10869 | noncircularly | 6,742 | acilnoruy | 9 | 16,564 | 
                                        
                                                | 10870 | syphilophobia | 6,744 | abhilopsy | 9 | 16,562 | 
                                        
                                                | 10871 | unqualifiable | 6,745 | abefilnqu | 9 | 16,561 | 
                                        
                                                | 10872 | pleiophyllous | 6,746 | ehilopsuy | 9 | 16,560 | 
                                        
                                                | 10873 | elytropolypus | 6,748 | eloprstuy | 9 | 16,559 | 
                                        
                                                | 10874 | unconsolingly | 6,749 | cgilnosuy | 9 | 16,558 | 
                                        
                                                | 10875 | squirarchical | 6,749 | achilqrsu | 9 | 16,557 | 
                                        
                                                | 10876 | sylleptically | 6,750 | aceilpsty | 9 | 16,556 | 
                                        
                                                | 10877 | unperspicuous | 6,753 | ceinoprsu | 9 | 16,555 | 
                                        
                                                | 10878 | synchronously | 6,755 | chlnorsuy | 9 | 16,554 | 
                                        
                                                | 10879 | apomictically | 6,756 | acilmopty | 9 | 16,553 | 
                                        
                                                | 10880 | ununanimously | 6,758 | ailmnosuy | 9 | 16,552 |