15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 6961 | antiparalytical | 9,287 | acilnprty | 9 | 7,691 | 
                                        
                                                | 6962 | unsqueamishness | 9,289 | aehimnqsu | 9 | 7,690 | 
                                        
                                                | 6963 | pentacarpellary | 9,291 | acelnprty | 9 | 7,689 | 
                                        
                                                | 6964 | nonhabitability | 9,294 | abhilnoty | 9 | 7,688 | 
                                        
                                                | 6965 | macroaggregated | 9,295 | acdegmort | 9 | 7,687 | 
                                        
                                                | 6966 | supranaturalist | 9,298 | ailnprstu | 9 | 7,685 | 
                                        
                                                | 6967 | unjustifiedness | 9,298 | defijnstu | 9 | 7,686 | 
                                        
                                                | 6968 | synchronousness | 9,299 | cehnorsuy | 9 | 7,684 | 
                                        
                                                | 6969 | magnanimousness | 9,307 | aegimnosu | 9 | 7,683 | 
                                        
                                                | 6970 | oscillariaceous | 9,308 | aceilorsu | 9 | 7,682 | 
                                        
                                                | 6971 | hallucinational | 9,311 | achilnotu | 9 | 7,681 | 
                                        
                                                | 6972 | unconvincedness | 9,312 | cdeinosuv | 9 | 7,680 | 
                                        
                                                | 6973 | pseudoisomerism | 9,312 | deimoprsu | 9 | 7,679 | 
                                        
                                                | 6974 | efficaciousness | 9,315 | acefinosu | 9 | 7,677 | 
                                        
                                                | 6975 | overaffirmative | 9,315 | aefimortv | 9 | 7,678 | 
                                        
                                                | 6976 | theophilosophic | 9,315 | cehilopst | 9 | 7,676 | 
                                        
                                                | 6977 | thalamocortical | 9,316 | achilmort | 9 | 7,675 | 
                                        
                                                | 6978 | acrobatholithic | 9,317 | abchilort | 9 | 7,673 | 
                                        
                                                | 6979 | unchallengeable | 9,317 | abceghlnu | 9 | 7,674 | 
                                        
                                                | 6980 | nonnutritiously | 9,318 | ilnorstuy | 9 | 7,672 |