13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 6901 | destructivity | 7,937 | cdeirstuvy | 10 | 7,751 | 
                                        
                                                | 6902 | epistemically | 7,937 | aceilmpsty | 10 | 7,752 | 
                                        
                                                | 6903 | precondemning | 7,939 | cdegimnopr | 10 | 7,750 | 
                                        
                                                | 6904 | counterdigged | 7,939 | cdeginortu | 10 | 7,749 | 
                                        
                                                | 6905 | gorgoniaceous | 7,939 | aceginorsu | 10 | 7,748 | 
                                        
                                                | 6906 | moistureproof | 7,940 | efimoprstu | 10 | 7,747 | 
                                        
                                                | 6907 | unconsidering | 7,941 | cdeginorsu | 10 | 7,743 | 
                                        
                                                | 6908 | psychogenesis | 7,941 | ceghinopsy | 10 | 7,745 | 
                                        
                                                | 6909 | shuttlecocked | 7,941 | cdehklostu | 10 | 7,746 | 
                                        
                                                | 6910 | uncontributed | 7,941 | bcdeinortu | 10 | 7,744 | 
                                        
                                                | 6911 | bignoniaceous | 7,941 | abceginosu | 10 | 7,742 | 
                                        
                                                | 6912 | distributable | 7,942 | abdeilrstu | 10 | 7,741 | 
                                        
                                                | 6913 | subsequential | 7,942 | abeilnqstu | 10 | 7,739 | 
                                        
                                                | 6914 | nonplasticity | 7,942 | acilnopsty | 10 | 7,740 | 
                                        
                                                | 6915 | saccharometry | 7,942 | acehmorsty | 10 | 7,738 | 
                                        
                                                | 6916 | bourignianist | 7,943 | abginorstu | 10 | 7,736 | 
                                        
                                                | 6917 | pigmentophage | 7,943 | aeghimnopt | 10 | 7,737 | 
                                        
                                                | 6918 | unconcertedly | 7,945 | cdelnortuy | 10 | 7,735 | 
                                        
                                                | 6919 | strongyliasis | 7,945 | agilnorsty | 10 | 7,734 | 
                                        
                                                | 6920 | emphysematous | 7,945 | aehmopstuy | 10 | 7,733 |