13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 17861 | oosporiferous | 8,165 | efioprsu | 8 | 19,011 | 
                                        
                                                | 17862 | cloudlessness | 8,166 | cdelnosu | 8 | 19,009 | 
                                        
                                                | 17863 | overservilely | 8,166 | eilorsvy | 8 | 19,010 | 
                                        
                                                | 17864 | nonadditivity | 8,169 | adinotvy | 8 | 19,008 | 
                                        
                                                | 17865 | professorhood | 8,170 | defhoprs | 8 | 19,006 | 
                                        
                                                | 17866 | undergovernor | 8,170 | degnoruv | 8 | 19,007 | 
                                        
                                                | 17867 | irreclaimable | 8,171 | abceilmr | 8 | 19,005 | 
                                        
                                                | 17868 | pepsinogenous | 8,172 | eginopsu | 8 | 19,004 | 
                                        
                                                | 17869 | nitrogenizing | 8,173 | eginortz | 8 | 19,003 | 
                                        
                                                | 17870 | recommissions | 8,174 | ceimnors | 8 | 19,000 | 
                                        
                                                | 17871 | commissioners | 8,174 | ceimnors | 8 | 19,002 | 
                                        
                                                | 17872 | volitionality | 8,174 | ailnotvy | 8 | 19,001 | 
                                        
                                                | 17873 | overventurous | 8,175 | enorstuv | 8 | 18,999 | 
                                        
                                                | 17874 | lophiodontoid | 8,175 | dhilnopt | 8 | 18,998 | 
                                        
                                                | 17875 | inassimilable | 8,176 | abeilmns | 8 | 18,996 | 
                                        
                                                | 17876 | odontoglossal | 8,176 | adglnost | 8 | 18,997 | 
                                        
                                                | 17877 | antiballistic | 8,176 | abcilnst | 8 | 18,995 | 
                                        
                                                | 17878 | spiritualists | 8,179 | ailprstu | 8 | 18,994 | 
                                        
                                                | 17879 | proacceptance | 8,180 | acenoprt | 8 | 18,993 | 
                                        
                                                | 17880 | superdesirous | 8,181 | deioprsu | 8 | 18,992 |