13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 12001 | multiloculate | 7,635 | aceilmotu | 9 | 15,432 | 
                                        
                                                | 12002 | practicianism | 7,637 | acimnprst | 9 | 15,430 | 
                                        
                                                | 12003 | assignability | 7,639 | abgilnsty | 9 | 15,428 | 
                                        
                                                | 12004 | macrozoospore | 7,639 | acemoprsz | 9 | 15,429 | 
                                        
                                                | 12005 | canthorrhaphy | 7,641 | achnoprty | 9 | 15,427 | 
                                        
                                                | 12006 | perspectivism | 7,641 | ceimprstv | 9 | 15,425 | 
                                        
                                                | 12007 | tuberculately | 7,641 | abcelrtuy | 9 | 15,426 | 
                                        
                                                | 12008 | gregariniform | 7,642 | aefgimnor | 9 | 15,421 | 
                                        
                                                | 12009 | phascolarctos | 7,642 | achloprst | 9 | 15,422 | 
                                        
                                                | 12010 | proemployment | 7,642 | elmnoprty | 9 | 15,424 | 
                                        
                                                | 12011 | precolourable | 7,642 | abcelopru | 9 | 15,423 | 
                                        
                                                | 12012 | unconcealedly | 7,643 | acdelnouy | 9 | 15,420 | 
                                        
                                                | 12013 | unacclimation | 7,643 | acilmnotu | 9 | 15,419 | 
                                        
                                                | 12014 | monophthongal | 7,644 | aghlmnopt | 9 | 15,418 | 
                                        
                                                | 12015 | orthocoumaric | 7,644 | achimortu | 9 | 15,417 | 
                                        
                                                | 12016 | gratulatorily | 7,645 | agilortuy | 9 | 15,414 | 
                                        
                                                | 12017 | phacocystitis | 7,645 | achiopsty | 9 | 15,416 | 
                                        
                                                | 12018 | nonabsorbency | 7,645 | abcenorsy | 9 | 15,415 | 
                                        
                                                | 12019 | hyperorthodox | 7,646 | dehoprtxy | 9 | 15,413 | 
                                        
                                                | 12020 | sorrowfulness | 7,646 | eflnorsuw | 9 | 15,411 |