15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 4501 | unforgetfulness | 8,967 | efglnorstu | 10 | 5,784 | 
                                        
                                                | 4502 | disillusionizer | 8,970 | deilnorsuz | 10 | 5,783 | 
                                        
                                                | 4503 | superinsscribed | 8,971 | bcdeinprsu | 10 | 5,781 | 
                                        
                                                | 4504 | unqualifiedness | 8,971 | adefilnqsu | 10 | 5,782 | 
                                        
                                                | 4505 | countertripping | 8,972 | ceginoprtu | 10 | 5,779 | 
                                        
                                                | 4506 | nonmonistically | 8,972 | acilmnosty | 10 | 5,780 | 
                                        
                                                | 4507 | monarchomachist | 8,974 | achimnorst | 10 | 5,776 | 
                                        
                                                | 4508 | tympanotemporal | 8,974 | aelmnoprty | 10 | 5,778 | 
                                        
                                                | 4509 | photogeological | 8,974 | aceghilopt | 10 | 5,777 | 
                                        
                                                | 4510 | pseudoparalyses | 8,975 | adeloprsuy | 10 | 5,774 | 
                                        
                                                | 4511 | hyperthyroidize | 8,975 | dehioprtyz | 10 | 5,775 | 
                                        
                                                | 4512 | schellingianism | 8,976 | aceghilmns | 10 | 5,773 | 
                                        
                                                | 4513 | cubitocutaneous | 8,979 | abceinostu | 10 | 5,772 | 
                                        
                                                | 4514 | antiscripturism | 8,982 | acimnprstu | 10 | 5,769 | 
                                        
                                                | 4515 | malconformation | 8,982 | acfilmnort | 10 | 5,770 | 
                                        
                                                | 4516 | overpresumptive | 8,982 | eimoprstuv | 10 | 5,771 | 
                                        
                                                | 4517 | uncombinational | 8,984 | abcilmnotu | 10 | 5,768 | 
                                        
                                                | 4518 | odontorhynchous | 8,988 | cdhnorstuy | 10 | 5,767 | 
                                        
                                                | 4519 | sidesplittingly | 8,990 | degilnpsty | 10 | 5,766 | 
                                        
                                                | 4520 | antiphilosophic | 8,991 | achilnopst | 10 | 5,765 |