13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 16741 | heterokinesis | 9,960 | ehiknorst | 9 | 10,691 | 
                                        
                                                | 16742 | protectionate | 9,963 | aceinoprt | 9 | 10,690 | 
                                        
                                                | 16743 | authenticates | 9,963 | acehinstu | 9 | 10,689 | 
                                        
                                                | 16744 | thermotension | 9,964 | ehimnorst | 9 | 10,688 | 
                                        
                                                | 16745 | presentations | 9,965 | aeinoprst | 9 | 10,687 | 
                                        
                                                | 16746 | nonrelatiness | 9,966 | aeilnorst | 9 | 10,686 | 
                                        
                                                | 16747 | reconditeness | 9,966 | cdeinorst | 9 | 10,685 | 
                                        
                                                | 16748 | reactionaries | 9,966 | aceinorst | 9 | 10,684 | 
                                        
                                                | 16749 | overestimates | 9,967 | aeimorstv | 9 | 10,683 | 
                                        
                                                | 16750 | enterocleisis | 9,968 | ceilnorst | 9 | 10,682 | 
                                        
                                                | 16751 | acroaesthesia | 9,970 | acehiorst | 9 | 10,680 | 
                                        
                                                | 16752 | reenumeration | 9,970 | aeimnortu | 9 | 10,681 | 
                                        
                                                | 16753 | nonrestrained | 9,974 | adeinorst | 9 | 10,679 | 
                                        
                                                | 16754 | ethanedithiol | 9,975 | adehilnot | 9 | 10,678 | 
                                        
                                                | 16755 | sedimentation | 9,977 | adeimnost | 9 | 10,677 | 
                                        
                                                | 16756 | stearolactone | 9,978 | acelnorst | 9 | 10,676 | 
                                        
                                                | 16757 | fiercehearted | 9,990 | acdefhirt | 9 | 10,675 | 
                                        
                                                | 16758 | posttreatment | 9,992 | aemnoprst | 9 | 10,674 | 
                                        
                                                | 16759 | toernebohmite | 9,992 | behimnort | 9 | 10,673 | 
                                        
                                                | 16760 | elephantiases | 9,994 | aehilnpst | 9 | 10,672 |