13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 19081 | refrigerative | 9,140 | aefgirtv | 8 | 17,791 | 
                                        
                                                | 19082 | pretermitting | 9,141 | egimnprt | 8 | 17,790 | 
                                        
                                                | 19083 | extratracheal | 9,142 | acehlrtx | 8 | 17,785 | 
                                        
                                                | 19084 | intropression | 9,142 | einoprst | 8 | 17,786 | 
                                        
                                                | 19085 | queensberries | 9,142 | beinqrsu | 8 | 17,789 | 
                                        
                                                | 19086 | underreceiver | 9,142 | cdeinruv | 8 | 17,788 | 
                                        
                                                | 19087 | nondedication | 9,142 | acdeinot | 8 | 17,787 | 
                                        
                                                | 19088 | fluotantalate | 9,145 | aeflnotu | 8 | 17,784 | 
                                        
                                                | 19089 | archflatterer | 9,145 | acefhlrt | 8 | 17,783 | 
                                        
                                                | 19090 | eldersisterly | 9,146 | deilrsty | 8 | 17,781 | 
                                        
                                                | 19091 | counteractant | 9,146 | acenortu | 8 | 17,779 | 
                                        
                                                | 19092 | dauntlessness | 9,146 | adelnstu | 8 | 17,780 | 
                                        
                                                | 19093 | incoalescence | 9,146 | aceilnos | 8 | 17,782 | 
                                        
                                                | 19094 | semisomnolent | 9,147 | eilmnost | 8 | 17,777 | 
                                        
                                                | 19095 | stratocracies | 9,147 | aceiorst | 8 | 17,778 | 
                                        
                                                | 19096 | overmerriment | 9,149 | eimnortv | 8 | 17,776 | 
                                        
                                                | 19097 | fantasticness | 9,152 | acefinst | 8 | 17,775 | 
                                        
                                                | 19098 | proprietaries | 9,154 | aeioprst | 8 | 17,774 | 
                                        
                                                | 19099 | recalcitrated | 9,155 | acdeilrt | 8 | 17,773 | 
                                        
                                                | 19100 | intentionally | 9,156 | aeilnoty | 8 | 17,771 |