15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 6741 | cholecystostomy | 8,797 | cehlmosty | 9 | 7,911 | 
                                        
                                                | 6742 | disillusionized | 8,800 | deilnosuz | 9 | 7,910 | 
                                        
                                                | 6743 | dorsicommissure | 8,801 | cdeimorsu | 9 | 7,909 | 
                                        
                                                | 6744 | pericanalicular | 8,807 | aceilnpru | 9 | 7,908 | 
                                        
                                                | 6745 | noncontinuously | 8,809 | cilnostuy | 9 | 7,907 | 
                                        
                                                | 6746 | overpreoccupied | 8,814 | cdeiopruv | 9 | 7,906 | 
                                        
                                                | 6747 | unfossiliferous | 8,815 | efilnorsu | 9 | 7,905 | 
                                        
                                                | 6748 | uncorroboratory | 8,816 | abcnortuy | 9 | 7,904 | 
                                        
                                                | 6749 | phycochromaceae | 8,817 | acehmopry | 9 | 7,903 | 
                                        
                                                | 6750 | opprobriousness | 8,821 | beinoprsu | 9 | 7,902 | 
                                        
                                                | 6751 | disobligingness | 8,822 | bdegilnos | 9 | 7,901 | 
                                        
                                                | 6752 | officialization | 8,825 | acfilnotz | 9 | 7,900 | 
                                        
                                                | 6753 | quinquennialist | 8,826 | aeilnqstu | 9 | 7,899 | 
                                        
                                                | 6754 | micropoecilitic | 8,828 | ceilmoprt | 9 | 7,898 | 
                                        
                                                | 6755 | retromammillary | 8,831 | aeilmorty | 9 | 7,896 | 
                                        
                                                | 6756 | ritualistically | 8,831 | acilrstuy | 9 | 7,897 | 
                                        
                                                | 6757 | diamminobromide | 8,836 | abdeimnor | 9 | 7,895 | 
                                        
                                                | 6758 | hemihypertrophy | 8,840 | ehimoprty | 9 | 7,894 | 
                                        
                                                | 6759 | noncontumacious | 8,849 | acimnostu | 9 | 7,893 | 
                                        
                                                | 6760 | alveolosubnasal | 8,867 | abelnosuv | 9 | 7,892 |