13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 5261 | specificality | 7,308 | acefilpsty | 10 | 9,392 | 
                                        
                                                | 5262 | physiognomist | 7,308 | ghimnopsty | 10 | 9,391 | 
                                        
                                                | 5263 | thaumaturgics | 7,308 | acghimrstu | 10 | 9,390 | 
                                        
                                                | 5264 | complimenting | 7,308 | cegilmnopt | 10 | 9,389 | 
                                        
                                                | 5265 | ceramographic | 7,309 | aceghimopr | 10 | 9,388 | 
                                        
                                                | 5266 | uncirculative | 7,310 | aceilnrtuv | 10 | 9,387 | 
                                        
                                                | 5267 | industriously | 7,310 | dilnorstuy | 10 | 9,386 | 
                                        
                                                | 5268 | disposability | 7,311 | abdilopsty | 10 | 9,385 | 
                                        
                                                | 5269 | neurospongium | 7,311 | egimnoprsu | 10 | 9,384 | 
                                        
                                                | 5270 | gobiesociform | 7,312 | bcefgimors | 10 | 9,381 | 
                                        
                                                | 5271 | labyrinthical | 7,312 | abchilnrty | 10 | 9,382 | 
                                        
                                                | 5272 | megalocephaly | 7,312 | aceghlmopy | 10 | 9,383 | 
                                        
                                                | 5273 | communicative | 7,312 | aceimnotuv | 10 | 9,380 | 
                                        
                                                | 5274 | pregratifying | 7,314 | aefginprty | 10 | 9,378 | 
                                        
                                                | 5275 | circumcentral | 7,314 | aceilmnrtu | 10 | 9,379 | 
                                        
                                                | 5276 | mammographies | 7,315 | aeghimoprs | 10 | 9,377 | 
                                        
                                                | 5277 | plesiomorphic | 7,316 | cehilmoprs | 10 | 9,375 | 
                                        
                                                | 5278 | prerepublican | 7,316 | abceilnpru | 10 | 9,376 | 
                                        
                                                | 5279 | inoxidability | 7,316 | abdilnotxy | 10 | 9,374 | 
                                        
                                                | 5280 | gephyrocercal | 7,316 | aceghlopry | 10 | 9,373 |