13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 11041 | oculocephalic | 6,952 | acehilopu | 9 | 16,392 | 
                                        
                                                | 11042 | pasigraphical | 6,956 | acghilprs | 9 | 16,389 | 
                                        
                                                | 11043 | quislingistic | 6,956 | cgilnqstu | 9 | 16,390 | 
                                        
                                                | 11044 | multicellular | 6,957 | aceilmrtu | 9 | 16,388 | 
                                        
                                                | 11045 | brachycranial | 6,958 | abchilnry | 9 | 16,387 | 
                                        
                                                | 11046 | nonhumorously | 6,962 | hlmnorsuy | 9 | 16,386 | 
                                        
                                                | 11047 | circumdiction | 6,962 | cdimnortu | 9 | 16,385 | 
                                        
                                                | 11048 | circularising | 6,963 | acgilnrsu | 9 | 16,384 | 
                                        
                                                | 11049 | unswallowable | 6,966 | abelnosuw | 9 | 16,383 | 
                                        
                                                | 11050 | tropologizing | 6,966 | gilnoprtz | 9 | 16,382 | 
                                        
                                                | 11051 | embolomycotic | 6,969 | bceilmoty | 9 | 16,381 | 
                                        
                                                | 11052 | unconcealably | 6,970 | abcelnouy | 9 | 16,380 | 
                                        
                                                | 11053 | platycephalic | 6,972 | acehilpty | 9 | 16,379 | 
                                        
                                                | 11054 | convulsionism | 6,973 | cilmnosuv | 9 | 16,378 | 
                                        
                                                | 11055 | symbionticism | 6,975 | bcimnosty | 9 | 16,377 | 
                                        
                                                | 11056 | schoolgirlism | 6,979 | cghilmors | 9 | 16,376 | 
                                        
                                                | 11057 | undignifiedly | 6,979 | defgilnuy | 9 | 16,375 | 
                                        
                                                | 11058 | unlitigiously | 6,980 | gilnostuy | 9 | 16,374 | 
                                        
                                                | 11059 | chirographary | 6,980 | acghiopry | 9 | 16,373 | 
                                        
                                                | 11060 | individualism | 6,981 | adilmnsuv | 9 | 16,372 |