15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 3581 | 
                                                alphabetisation | 
                        10,332 | 
                        abehilnopst | 
                        11 | 
                        1,654 | 
                    
                                        
                                                | 3582 | 
                                                methylphenidate | 
                        10,332 | 
                        adehilmnpty | 
                        11 | 
                        1,655 | 
                    
                                        
                                                | 3583 | 
                                                superattainable | 
                        10,333 | 
                        abeilnprstu | 
                        11 | 
                        1,653 | 
                    
                                        
                                                | 3584 | 
                                                supersemination | 
                        10,335 | 
                        aeimnoprstu | 
                        11 | 
                        1,651 | 
                    
                                        
                                                | 3585 | 
                                                nonextraditable | 
                        10,335 | 
                        abdeilnortx | 
                        11 | 
                        1,652 | 
                    
                                        
                                                | 3586 | 
                                                semideification | 
                        10,335 | 
                        acdefimnost | 
                        11 | 
                        1,650 | 
                    
                                        
                                                | 3587 | 
                                                presolicitation | 
                        10,339 | 
                        aceilnoprst | 
                        11 | 
                        1,649 | 
                    
                                        
                                                | 3588 | 
                                                exceptionalness | 
                        10,341 | 
                        aceilnopstx | 
                        11 | 
                        1,648 | 
                    
                                        
                                                | 3589 | 
                                                heracleopolitan | 
                        10,343 | 
                        acehilnoprt | 
                        11 | 
                        1,647 | 
                    
                                        
                                                | 3590 | 
                                                septentrionally | 
                        10,344 | 
                        aeilnoprsty | 
                        11 | 
                        1,646 | 
                    
                                        
                                                | 3591 | 
                                                nonverticalness | 
                        10,348 | 
                        aceilnorstv | 
                        11 | 
                        1,645 | 
                    
                                        
                                                | 3592 | 
                                                dematerialising | 
                        10,350 | 
                        adegilmnrst | 
                        11 | 
                        1,643 | 
                    
                                        
                                                | 3593 | 
                                                extraphenomenal | 
                        10,350 | 
                        aehlmnoprtx | 
                        11 | 
                        1,644 | 
                    
                                        
                                                | 3594 | 
                                                unrevelationize | 
                        10,354 | 
                        aeilnortuvz | 
                        11 | 
                        1,642 | 
                    
                                        
                                                | 3595 | 
                                                mephistophelean | 
                        10,357 | 
                        aehilmnopst | 
                        11 | 
                        1,641 | 
                    
                                        
                                                | 3596 | 
                                                departmentalize | 
                        10,358 | 
                        adeilmnprtz | 
                        11 | 
                        1,640 | 
                    
                                        
                                                | 3597 | 
                                                christianiadeal | 
                        10,359 | 
                        acdehilnrst | 
                        11 | 
                        1,639 | 
                    
                                        
                                                | 3598 | 
                                                overgeneralizes | 
                        10,365 | 
                        aegilnorsvz | 
                        11 | 
                        1,638 | 
                    
                                        
                                                | 3599 | 
                                                nonexternalized | 
                        10,368 | 
                        adeilnortxz | 
                        11 | 
                        1,637 | 
                    
                                        
                                                | 3600 | 
                                                costotrachelian | 
                        10,370 | 
                        acehilnorst | 
                        11 | 
                        1,635 |