13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 14161 | collateralize | 8,511 | aceilortz | 9 | 13,272 | 
                                        
                                                | 14162 | checkerbreast | 8,512 | abcehkrst | 9 | 13,270 | 
                                        
                                                | 14163 | madreporarian | 8,513 | adeimnopr | 9 | 13,269 | 
                                        
                                                | 14164 | cyberneticist | 8,513 | bceinrsty | 9 | 13,268 | 
                                        
                                                | 14165 | encompassment | 8,515 | acemnopst | 9 | 13,266 | 
                                        
                                                | 14166 | extensibility | 8,515 | beilnstxy | 9 | 13,267 | 
                                        
                                                | 14167 | supervastness | 8,516 | aenprstuv | 9 | 13,265 | 
                                        
                                                | 14168 | prepositorial | 8,516 | aeiloprst | 9 | 13,264 | 
                                        
                                                | 14169 | semireflexive | 8,517 | efilmrsvx | 9 | 13,263 | 
                                        
                                                | 14170 | anachronistic | 8,518 | achinorst | 9 | 13,262 | 
                                        
                                                | 14171 | metrocystosis | 8,518 | ceimorsty | 9 | 13,261 | 
                                        
                                                | 14172 | irresponsible | 8,518 | beilnoprs | 9 | 13,260 | 
                                        
                                                | 14173 | orthopyroxene | 8,519 | ehnoprtxy | 9 | 13,259 | 
                                        
                                                | 14174 | multidigitate | 8,519 | adegilmtu | 9 | 13,258 | 
                                        
                                                | 14175 | tectocephalic | 8,520 | acehilopt | 9 | 13,256 | 
                                        
                                                | 14176 | humorlessness | 8,520 | ehlmnorsu | 9 | 13,255 | 
                                        
                                                | 14177 | counterattack | 8,520 | aceknortu | 9 | 13,257 | 
                                        
                                                | 14178 | colorableness | 8,521 | abcelnors | 9 | 13,253 | 
                                        
                                                | 14179 | multiradiated | 8,521 | adeilmrtu | 9 | 13,254 | 
                                        
                                                | 14180 | horripilation | 8,522 | ahilnoprt | 9 | 13,250 |