15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 6681 | paleobiological | 8,591 | abcegilop | 9 | 7,971 | 
                                        
                                                | 6682 | cardioparplasis | 8,591 | acdiloprs | 9 | 7,970 | 
                                        
                                                | 6683 | semiperspicuous | 8,592 | ceimoprsu | 9 | 7,969 | 
                                        
                                                | 6684 | circumsaturnian | 8,597 | acimnrstu | 9 | 7,968 | 
                                        
                                                | 6685 | benzdioxdiazine | 8,611 | abdeinoxz | 9 | 7,967 | 
                                        
                                                | 6686 | superstructural | 8,611 | acelprstu | 9 | 7,966 | 
                                        
                                                | 6687 | trachychromatic | 8,616 | achimorty | 9 | 7,965 | 
                                        
                                                | 6688 | nonprosperously | 8,617 | elnoprsuy | 9 | 7,964 | 
                                        
                                                | 6689 | convocationally | 8,619 | acilnotvy | 9 | 7,963 | 
                                        
                                                | 6690 | whippersnappers | 8,631 | aehinprsw | 9 | 7,962 | 
                                        
                                                | 6691 | supersensuously | 8,636 | elnoprsuy | 9 | 7,961 | 
                                        
                                                | 6692 | nonconviviality | 8,638 | acilnotvy | 9 | 7,960 | 
                                        
                                                | 6693 | paleopotamology | 8,643 | aeglmopty | 9 | 7,958 | 
                                        
                                                | 6694 | sulphophosphite | 8,643 | ehilopstu | 9 | 7,959 | 
                                        
                                                | 6695 | autopathography | 8,644 | aghoprtuy | 9 | 7,957 | 
                                        
                                                | 6696 | unopportunistic | 8,649 | cinoprstu | 9 | 7,956 | 
                                        
                                                | 6697 | superfluousness | 8,655 | eflnoprsu | 9 | 7,955 | 
                                        
                                                | 6698 | preparoccipital | 8,656 | aceiloprt | 9 | 7,954 | 
                                        
                                                | 6699 | parathyroprivia | 8,660 | ahioprtvy | 9 | 7,953 | 
                                        
                                                | 6700 | nonaccumulation | 8,663 | acilmnotu | 9 | 7,952 |