15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 7101 | trithiocarbonic | 9,543 | abchinort | 9 | 7,551 | 
                                        
                                                | 7102 | uninvestigating | 9,545 | aeginstuv | 9 | 7,550 | 
                                        
                                                | 7103 | noncapitalistic | 9,545 | acilnopst | 9 | 7,549 | 
                                        
                                                | 7104 | nonapostatizing | 9,547 | aginopstz | 9 | 7,547 | 
                                        
                                                | 7105 | osphresiophilia | 9,547 | aehiloprs | 9 | 7,548 | 
                                        
                                                | 7106 | peripatetically | 9,554 | aceilprty | 9 | 7,546 | 
                                        
                                                | 7107 | intussusception | 9,555 | ceinopstu | 9 | 7,545 | 
                                        
                                                | 7108 | superexpression | 9,557 | einoprsux | 9 | 7,543 | 
                                        
                                                | 7109 | altimettrically | 9,557 | aceilmrty | 9 | 7,544 | 
                                        
                                                | 7110 | unhealthfulness | 9,558 | aefhlnstu | 9 | 7,542 | 
                                        
                                                | 7111 | unbelievingness | 9,558 | begilnsuv | 9 | 7,541 | 
                                        
                                                | 7112 | unavailableness | 9,561 | abeilnsuv | 9 | 7,540 | 
                                        
                                                | 7113 | humanitarianism | 9,561 | ahimnrstu | 9 | 7,539 | 
                                        
                                                | 7114 | irreconciliable | 9,563 | abceilnor | 9 | 7,538 | 
                                        
                                                | 7115 | nonepiscopalian | 9,570 | aceilnops | 9 | 7,537 | 
                                        
                                                | 7116 | capillarectasia | 9,572 | aceilprst | 9 | 7,536 | 
                                        
                                                | 7117 | multilaterality | 9,574 | aeilmrtuy | 9 | 7,533 | 
                                        
                                                | 7118 | opisthorchiasis | 9,574 | achioprst | 9 | 7,535 | 
                                        
                                                | 7119 | nonphenomenally | 9,574 | aehlmnopy | 9 | 7,534 | 
                                        
                                                | 7120 | homoeochromatic | 9,577 | acehimort | 9 | 7,532 |