15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 5201 | 
                                                nonincidentally | 
                        9,644 | 
                        acdeilnoty | 
                        10 | 
                        5,082 | 
                    
                                        
                                                | 5202 | 
                                                pneumonoparesis | 
                        9,644 | 
                        aeimnoprsu | 
                        10 | 
                        5,083 | 
                    
                                        
                                                | 5203 | 
                                                triodontophorus | 
                        9,644 | 
                        dhinoprstu | 
                        10 | 
                        5,084 | 
                    
                                        
                                                | 5204 | 
                                                phthisiotherapy | 
                        9,645 | 
                        aehioprsty | 
                        10 | 
                        5,081 | 
                    
                                        
                                                | 5205 | 
                                                noncatastrophic | 
                        9,647 | 
                        achinoprst | 
                        10 | 
                        5,080 | 
                    
                                        
                                                | 5206 | 
                                                interganglionic | 
                        9,647 | 
                        acegilnort | 
                        10 | 
                        5,079 | 
                    
                                        
                                                | 5207 | 
                                                roentgenography | 
                        9,647 | 
                        aeghnoprty | 
                        10 | 
                        5,078 | 
                    
                                        
                                                | 5208 | 
                                                precipitousness | 
                        9,648 | 
                        ceinoprstu | 
                        10 | 
                        5,077 | 
                    
                                        
                                                | 5209 | 
                                                photoimpression | 
                        9,648 | 
                        ehimnoprst | 
                        10 | 
                        5,076 | 
                    
                                        
                                                | 5210 | 
                                                indubitableness | 
                        9,650 | 
                        abdeilnstu | 
                        10 | 
                        5,073 | 
                    
                                        
                                                | 5211 | 
                                                nonassimilatory | 
                        9,650 | 
                        ailmnorsty | 
                        10 | 
                        5,074 | 
                    
                                        
                                                | 5212 | 
                                                pittosporaceous | 
                        9,650 | 
                        aceioprstu | 
                        10 | 
                        5,075 | 
                    
                                        
                                                | 5213 | 
                                                counterpointing | 
                        9,651 | 
                        ceginoprtu | 
                        10 | 
                        5,072 | 
                    
                                        
                                                | 5214 | 
                                                grandfatherhood | 
                        9,652 | 
                        adefghnort | 
                        10 | 
                        5,071 | 
                    
                                        
                                                | 5215 | 
                                                transactionally | 
                        9,653 | 
                        acilnorsty | 
                        10 | 
                        5,070 | 
                    
                                        
                                                | 5216 | 
                                                petrarchistical | 
                        9,654 | 
                        acehilprst | 
                        10 | 
                        5,069 | 
                    
                                        
                                                | 5217 | 
                                                supraordination | 
                        9,656 | 
                        adinoprstu | 
                        10 | 
                        5,068 | 
                    
                                        
                                                | 5218 | 
                                                intertubercular | 
                        9,662 | 
                        abceilnrtu | 
                        10 | 
                        5,066 | 
                    
                                        
                                                | 5219 | 
                                                pseudepisematic | 
                        9,662 | 
                        acdeimpstu | 
                        10 | 
                        5,067 | 
                    
                                        
                                                | 5220 | 
                                                uninterruptable | 
                        9,666 | 
                        abeilnprtu | 
                        10 | 
                        5,064 |