13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 12061 | opportunistic | 7,666 | cinoprstu | 9 | 15,371 | 
                                        
                                                | 12062 | holocephalous | 7,667 | acehlopsu | 9 | 15,370 | 
                                        
                                                | 12063 | superinfusion | 7,668 | efinoprsu | 9 | 15,369 | 
                                        
                                                | 12064 | superdividend | 7,668 | deinprsuv | 9 | 15,368 | 
                                        
                                                | 12065 | olericultural | 7,668 | aceilortu | 9 | 15,367 | 
                                        
                                                | 12066 | misemphasized | 7,669 | adehimpsz | 9 | 15,366 | 
                                        
                                                | 12067 | victimization | 7,669 | acimnotvz | 9 | 15,365 | 
                                        
                                                | 12068 | semiexclusive | 7,670 | ceilmsuvx | 9 | 15,364 | 
                                        
                                                | 12069 | diploglossata | 7,670 | adgilopst | 9 | 15,363 | 
                                        
                                                | 12070 | agrobiologist | 7,671 | abgilorst | 9 | 15,362 | 
                                        
                                                | 12071 | nondiapausing | 7,672 | adginopsu | 9 | 15,361 | 
                                        
                                                | 12072 | intervalvular | 7,672 | aeilnrtuv | 9 | 15,360 | 
                                        
                                                | 12073 | accessibility | 7,673 | abceilsty | 9 | 15,359 | 
                                        
                                                | 12074 | subcontractor | 7,674 | abcnorstu | 9 | 15,358 | 
                                        
                                                | 12075 | wicketkeeping | 7,676 | cegiknptw | 9 | 15,357 | 
                                        
                                                | 12076 | instinctually | 7,678 | acilnstuy | 9 | 15,355 | 
                                        
                                                | 12077 | bronchiogenic | 7,678 | bceghinor | 9 | 15,356 | 
                                        
                                                | 12078 | malproportion | 7,679 | ailmnoprt | 9 | 15,354 | 
                                        
                                                | 12079 | antiplurality | 7,680 | ailnprtuy | 9 | 15,351 | 
                                        
                                                | 12080 | unreluctantly | 7,680 | acelnrtuy | 9 | 15,350 |