18 letter Words with the Highest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
                                        
                                                | 641 | 
                                                cardiosphygmograph | 
                        8,852 | 
                        acdghimoprsy | 
                        12 | 
                        641 | 
                    
                                        
                                                | 642 | 
                                                mandibulomaxillary | 
                        8,776 | 
                        abdilmnoruxy | 
                        12 | 
                        642 | 
                    
                                        
                                                | 643 | 
                                                psychorhythmically | 
                        8,641 | 
                        achilmoprsty | 
                        12 | 
                        643 | 
                    
                                        
                                                | 644 | 
                                                submicroscopically | 
                        8,368 | 
                        abcilmoprsuy | 
                        12 | 
                        644 | 
                    
                                        
                                                | 645 | 
                                                hydroxybutyricacid | 
                        8,241 | 
                        abcdhiortuxy | 
                        12 | 
                        645 | 
                    
                                        
                                                | 646 | 
                                                heterofermentative | 
                        14,144 | 
                        aefhimnortv | 
                        11 | 
                        646 | 
                    
                                        
                                                | 647 | 
                                                anticholinesterase | 
                        13,789 | 
                        acehilnorst | 
                        11 | 
                        647 | 
                    
                                        
                                                | 648 | 
                                                bretschneideraceae | 
                        13,517 | 
                        abcdehinrst | 
                        11 | 
                        648 | 
                    
                                        
                                                | 649 | 
                                                omnirepresentative | 
                        13,446 | 
                        aeimnoprstv | 
                        11 | 
                        649 | 
                    
                                        
                                                | 650 | 
                                                aceanthrenequinone | 
                        13,385 | 
                        acehinoqrtu | 
                        11 | 
                        650 | 
                    
                                        
                                                | 651 | 
                                                noninheritableness | 
                        13,335 | 
                        abehilnorst | 
                        11 | 
                        651 | 
                    
                                        
                                                | 652 | 
                                                unrepresentational | 
                        13,334 | 
                        aeilnoprstu | 
                        11 | 
                        652 | 
                    
                                        
                                                | 653 | 
                                                archrepresentative | 
                        13,268 | 
                        acehinprstv | 
                        11 | 
                        653 | 
                    
                                        
                                                | 654 | 
                                                phoenicopteroideae | 
                        13,252 | 
                        acdehinoprt | 
                        11 | 
                        654 | 
                    
                                        
                                                | 655 | 
                                                triakistetrahedron | 
                        13,210 | 
                        adehiknorst | 
                        11 | 
                        655 | 
                    
                                        
                                                | 656 | 
                                                indeterminableness | 
                        13,175 | 
                        abdeilmnrst | 
                        11 | 
                        656 | 
                    
                                        
                                                | 657 | 
                                                counterdemonstrate | 
                        13,158 | 
                        acdemnorstu | 
                        11 | 
                        657 | 
                    
                                        
                                                | 658 | 
                                                tetrakaidecahedron | 
                        13,056 | 
                        acdehiknort | 
                        11 | 
                        658 | 
                    
                                        
                                                | 659 | 
                                                electrotherapeutic | 
                        13,055 | 
                        acehiloprtu | 
                        11 | 
                        659 | 
                    
                                        
                                                | 660 | 
                                                interrelationships | 
                        13,019 | 
                        aehilnoprst | 
                        11 | 
                        660 |