19 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 1 | superacknowledgment | 11,029 | acdegklmnoprstuw | 16 | 1 | 
                                        
                                                | 2 | mandibulopharyngeal | 10,243 | abdeghilmnopruy | 15 | 8 | 
                                        
                                                | 3 | kinematographically | 10,660 | aceghiklmnoprty | 15 | 7 | 
                                        
                                                | 4 | pseudohallucinatory | 10,988 | acdehilnoprstuy | 15 | 6 | 
                                        
                                                | 5 | ovariosalpingectomy | 11,064 | acegilmnoprstvy | 15 | 5 | 
                                        
                                                | 6 | neuropharmacologist | 11,493 | aceghilmnoprstu | 15 | 4 | 
                                        
                                                | 7 | phenylthiocarbamide | 11,553 | abcdehilmnoprty | 15 | 3 | 
                                        
                                                | 8 | blepharosyndesmitis | 11,762 | abdehilmnoprsty | 15 | 2 | 
                                        
                                                | 9 | unlexicographically | 9,582 | aceghilnopruxy | 14 | 58 | 
                                        
                                                | 10 | pharyngoamygdalitis | 10,194 | adghilmnoprsty | 14 | 57 | 
                                        
                                                | 11 | pharmacognostically | 10,325 | acghilmnoprsty | 14 | 56 | 
                                        
                                                | 12 | magnetofluiddynamic | 10,343 | acdefgilmnotuy | 14 | 55 | 
                                        
                                                | 13 | lymhpangiophlebitis | 10,376 | abeghilmnopsty | 14 | 54 | 
                                        
                                                | 14 | thrombolymphangitis | 10,404 | abghilmnoprsty | 14 | 53 | 
                                        
                                                | 15 | hyperspiritualizing | 10,438 | aeghilnprstuyz | 14 | 52 | 
                                        
                                                | 16 | hydrochlorplatinous | 10,648 | acdhilnoprstuy | 14 | 51 | 
                                        
                                                | 17 | brachycephalization | 10,748 | abcehilnoprtyz | 14 | 50 | 
                                        
                                                | 18 | laparosalpingectomy | 10,846 | acegilmnoprsty | 14 | 49 | 
                                        
                                                | 19 | cinematographically | 10,862 | aceghilmnoprty | 14 | 48 | 
                                        
                                                | 20 | nonpharmaceutically | 10,911 | acehilmnoprtuy | 14 | 47 |