19 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 721 | blepharoblennorrhea | 12,422 | abehlnopr | 9 | 738 | 
                                        
                                                | 722 | ambilateralaterally | 12,432 | abeilmrty | 9 | 737 | 
                                        
                                                | 723 | photophosphorescent | 12,442 | cehnoprst | 9 | 736 | 
                                        
                                                | 724 | noncontemptuousness | 12,482 | cemnopstu | 9 | 735 | 
                                        
                                                | 725 | superexpressiveness | 12,560 | einprsuvx | 9 | 734 | 
                                        
                                                | 726 | hyperepinephrinemia | 12,609 | aehimnpry | 9 | 733 | 
                                        
                                                | 727 | unsuperstitiousness | 12,632 | einoprstu | 9 | 732 | 
                                        
                                                | 728 | ophthalmotropometer | 12,690 | aehlmoprt | 9 | 731 | 
                                        
                                                | 729 | antiecclesiasticism | 12,823 | aceilmnst | 9 | 730 | 
                                        
                                                | 730 | electrohorticulture | 12,915 | cehilortu | 9 | 729 | 
                                        
                                                | 731 | antivivisectionists | 12,934 | aceinostv | 9 | 728 | 
                                        
                                                | 732 | allotransplantation | 12,936 | ailnoprst | 9 | 727 | 
                                        
                                                | 733 | intraecclesiastical | 13,015 | aceilnrst | 9 | 726 | 
                                        
                                                | 734 | annihilationistical | 13,051 | achilnost | 9 | 725 | 
                                        
                                                | 735 | opthalmothermometer | 13,203 | aehlmoprt | 9 | 724 | 
                                        
                                                | 736 | counterannouncement | 13,230 | acemnortu | 9 | 723 | 
                                        
                                                | 737 | antiparliamentarian | 13,405 | aeilmnprt | 9 | 722 | 
                                        
                                                | 738 | nonopinionativeness | 13,647 | aeinopstv | 9 | 721 | 
                                        
                                                | 739 | extraterritoriality | 13,663 | aeilortxy | 9 | 720 | 
                                        
                                                | 740 | semiantiministerial | 13,671 | aeilmnrst | 9 | 719 |