16 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 401 | hyperexcursively | 8,450 | cehilprsuvxy | 12 | 1,186 | 
                                        
                                                | 402 | photodynamically | 8,452 | acdhilmnopty | 12 | 1,185 | 
                                        
                                                | 403 | polysulphuration | 8,453 | ahilnoprstuy | 12 | 1,184 | 
                                        
                                                | 404 | permonosulphuric | 8,458 | cehilmnoprsu | 12 | 1,182 | 
                                        
                                                | 405 | monopersulphuric | 8,458 | cehilmnoprsu | 12 | 1,181 | 
                                        
                                                | 406 | polysyndetically | 8,458 | acdeilnopsty | 12 | 1,183 | 
                                        
                                                | 407 | brachypinacoidal | 8,469 | abcdhilnopry | 12 | 1,180 | 
                                        
                                                | 408 | amphibolostylous | 8,492 | abhilmopstuy | 12 | 1,179 | 
                                        
                                                | 409 | overmoralizingly | 8,500 | aegilmnorvyz | 12 | 1,178 | 
                                        
                                                | 410 | vesiculopustular | 8,505 | aceiloprstuv | 12 | 1,177 | 
                                        
                                                | 411 | gynandromorphous | 8,507 | adghmnoprsuy | 12 | 1,176 | 
                                        
                                                | 412 | benzalcyanhydrin | 8,515 | abcdehilnryz | 12 | 1,175 | 
                                        
                                                | 413 | pseudocommisural | 8,520 | acdeilmoprsu | 12 | 1,174 | 
                                        
                                                | 414 | unetymologically | 8,525 | acegilmnotuy | 12 | 1,173 | 
                                        
                                                | 415 | prelaryngoscopic | 8,526 | acegilnoprsy | 12 | 1,172 | 
                                        
                                                | 416 | autolaryngoscopy | 8,527 | acglnoprstuy | 12 | 1,171 | 
                                        
                                                | 417 | superprobability | 8,545 | abeiloprstuy | 12 | 1,170 | 
                                        
                                                | 418 | idiocyclophanous | 8,546 | acdhilnopsuy | 12 | 1,169 | 
                                        
                                                | 419 | hypochondriacism | 8,547 | acdhimnoprsy | 12 | 1,166 | 
                                        
                                                | 420 | pseudomiraculous | 8,547 | acdeilmoprsu | 12 | 1,167 |