13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 12541 | preprocessing | 7,896 | ceginoprs | 9 | 14,890 | 
                                        
                                                | 12542 | presacrificed | 7,896 | acdefiprs | 9 | 14,891 | 
                                        
                                                | 12543 | cinquecentism | 7,896 | ceimnqstu | 9 | 14,889 | 
                                        
                                                | 12544 | geotactically | 7,897 | acegiloty | 9 | 14,888 | 
                                        
                                                | 12545 | unamalgamated | 7,898 | adeglmntu | 9 | 14,886 | 
                                        
                                                | 12546 | wallowishness | 7,898 | aehilnosw | 9 | 14,887 | 
                                        
                                                | 12547 | exobiologists | 7,901 | begilostx | 9 | 14,883 | 
                                        
                                                | 12548 | hyperhidrosis | 7,901 | dehioprsy | 9 | 14,884 | 
                                        
                                                | 12549 | unfrenchified | 7,901 | cdefhinru | 9 | 14,885 | 
                                        
                                                | 12550 | photocomposer | 7,902 | cehmoprst | 9 | 14,882 | 
                                        
                                                | 12551 | cyclohexanone | 7,902 | acehlnoxy | 9 | 14,880 | 
                                        
                                                | 12552 | unpayableness | 7,902 | abelnpsuy | 9 | 14,881 | 
                                        
                                                | 12553 | hypernephroma | 7,903 | aehmnopry | 9 | 14,879 | 
                                        
                                                | 12554 | proganosauria | 7,903 | aginoprsu | 9 | 14,878 | 
                                        
                                                | 12555 | gymnodiniidae | 7,904 | adegimnoy | 9 | 14,876 | 
                                        
                                                | 12556 | ferruginating | 7,904 | aefginrtu | 9 | 14,877 | 
                                        
                                                | 12557 | hemiquinonoid | 7,905 | dehimnoqu | 9 | 14,873 | 
                                        
                                                | 12558 | landsmanshaft | 7,905 | adfhlmnst | 9 | 14,874 | 
                                        
                                                | 12559 | triangularity | 7,905 | agilnrtuy | 9 | 14,875 | 
                                        
                                                | 12560 | lignification | 7,906 | acfgilnot | 9 | 14,869 |