13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 4401 | 
                                                pyruvaldehyde | 
                        6,675 | 
                        adehlpruvy | 
                        10 | 
                        10,252 | 
                    
                                        
                                                | 4402 | 
                                                polyribosomal | 
                        6,676 | 
                        abilmoprsy | 
                        10 | 
                        10,251 | 
                    
                                        
                                                | 4403 | 
                                                ichthyography | 
                        6,677 | 
                        acghioprty | 
                        10 | 
                        10,250 | 
                    
                                        
                                                | 4404 | 
                                                preparoxysmal | 
                        6,677 | 
                        aelmoprsxy | 
                        10 | 
                        10,249 | 
                    
                                        
                                                | 4405 | 
                                                pansophically | 
                        6,680 | 
                        achilnopsy | 
                        10 | 
                        10,248 | 
                    
                                        
                                                | 4406 | 
                                                unbackboarded | 
                        6,681 | 
                        abcdeknoru | 
                        10 | 
                        10,247 | 
                    
                                        
                                                | 4407 | 
                                                coagulability | 
                        6,682 | 
                        abcgilotuy | 
                        10 | 
                        10,246 | 
                    
                                        
                                                | 4408 | 
                                                phalangigrady | 
                        6,685 | 
                        adghilnpry | 
                        10 | 
                        10,245 | 
                    
                                        
                                                | 4409 | 
                                                quadrifolious | 
                        6,687 | 
                        adfiloqrsu | 
                        10 | 
                        10,244 | 
                    
                                        
                                                | 4410 | 
                                                impunctuality | 
                        6,688 | 
                        acilmnptuy | 
                        10 | 
                        10,241 | 
                    
                                        
                                                | 4411 | 
                                                symplocaceous | 
                        6,688 | 
                        acelmopsuy | 
                        10 | 
                        10,243 | 
                    
                                        
                                                | 4412 | 
                                                quadratically | 
                        6,688 | 
                        acdilqrtuy | 
                        10 | 
                        10,242 | 
                    
                                        
                                                | 4413 | 
                                                nonvascularly | 
                        6,689 | 
                        aclnorsuvy | 
                        10 | 
                        10,240 | 
                    
                                        
                                                | 4414 | 
                                                uncollectibly | 
                        6,690 | 
                        bceilnotuy | 
                        10 | 
                        10,239 | 
                    
                                        
                                                | 4415 | 
                                                propagability | 
                        6,691 | 
                        abgiloprty | 
                        10 | 
                        10,237 | 
                    
                                        
                                                | 4416 | 
                                                unflexibility | 
                        6,691 | 
                        befilntuxy | 
                        10 | 
                        10,238 | 
                    
                                        
                                                | 4417 | 
                                                indissolvably | 
                        6,692 | 
                        abdilnosvy | 
                        10 | 
                        10,236 | 
                    
                                        
                                                | 4418 | 
                                                physiological | 
                        6,693 | 
                        acghilopsy | 
                        10 | 
                        10,235 | 
                    
                                        
                                                | 4419 | 
                                                hypopharynxes | 
                        6,694 | 
                        aehnoprsxy | 
                        10 | 
                        10,234 | 
                    
                                        
                                                | 4420 | 
                                                equivoluminal | 
                        6,694 | 
                        aeilmnoquv | 
                        10 | 
                        10,233 |