15 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 6101 | afforestational | 10,508 | aefilnorst | 10 | 4,184 | 
                                        
                                                | 6102 | attributiveness | 10,509 | abeinrstuv | 10 | 4,183 | 
                                        
                                                | 6103 | unterminational | 10,510 | aeilmnortu | 10 | 4,182 | 
                                        
                                                | 6104 | confectionaries | 10,516 | acefinorst | 10 | 4,181 | 
                                        
                                                | 6105 | acetaldehydrase | 10,518 | acdehlrsty | 10 | 4,180 | 
                                        
                                                | 6106 | counterindicate | 10,520 | acdeinortu | 10 | 4,179 | 
                                        
                                                | 6107 | ambidexterities | 10,520 | abdeimrstx | 10 | 4,178 | 
                                        
                                                | 6108 | truncatosinuate | 10,522 | aceinorstu | 10 | 4,177 | 
                                        
                                                | 6109 | preinhabitation | 10,522 | abehinoprt | 10 | 4,176 | 
                                        
                                                | 6110 | predepreciation | 10,524 | acdeinoprt | 10 | 4,175 | 
                                        
                                                | 6111 | pestiferousness | 10,524 | efinoprstu | 10 | 4,174 | 
                                        
                                                | 6112 | latensification | 10,524 | acefilnost | 10 | 4,173 | 
                                        
                                                | 6113 | antiperistaltic | 10,525 | aceilnprst | 10 | 4,172 | 
                                        
                                                | 6114 | trithioaldehyde | 10,525 | adehilorty | 10 | 4,171 | 
                                        
                                                | 6115 | pentagonohedron | 10,526 | adeghnoprt | 10 | 4,169 | 
                                        
                                                | 6116 | skeletonization | 10,526 | aeiklnostz | 10 | 4,170 | 
                                        
                                                | 6117 | leucosoleniidae | 10,526 | acdeilnosu | 10 | 4,168 | 
                                        
                                                | 6118 | stereochromatic | 10,530 | acehimorst | 10 | 4,166 | 
                                        
                                                | 6119 | overelaboration | 10,530 | abeilnortv | 10 | 4,167 | 
                                        
                                                | 6120 | counteraverment | 10,531 | acemnortuv | 10 | 4,163 |