13 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 16941 | circumscriber | 6,609 | bceimrsu | 8 | 19,931 | 
                                        
                                                | 16942 | ovoviviparous | 6,611 | aioprsuv | 8 | 19,930 | 
                                        
                                                | 16943 | cunnilinguism | 6,615 | cgilmnsu | 8 | 19,929 | 
                                        
                                                | 16944 | calorifically | 6,633 | acfilory | 8 | 19,928 | 
                                        
                                                | 16945 | circumscribes | 6,635 | bceimrsu | 8 | 19,927 | 
                                        
                                                | 16946 | maxillofacial | 6,639 | acfilmox | 8 | 19,926 | 
                                        
                                                | 16947 | unconsciously | 6,640 | cilnosuy | 8 | 19,925 | 
                                        
                                                | 16948 | acrologically | 6,643 | acgilory | 8 | 19,924 | 
                                        
                                                | 16949 | paragammacism | 6,648 | acgimprs | 8 | 19,923 | 
                                        
                                                | 16950 | unapplaudable | 6,650 | abdelnpu | 8 | 19,920 | 
                                        
                                                | 16951 | unlabializing | 6,650 | abgilnuz | 8 | 19,921 | 
                                        
                                                | 16952 | abiologically | 6,650 | abcgiloy | 8 | 19,922 | 
                                        
                                                | 16953 | unopprobrious | 6,651 | binoprsu | 8 | 19,919 | 
                                        
                                                | 16954 | microbiologic | 6,652 | bcgilmor | 8 | 19,918 | 
                                        
                                                | 16955 | overpreoccupy | 6,660 | ceopruvy | 8 | 19,917 | 
                                        
                                                | 16956 | paraffinizing | 6,661 | afginprz | 8 | 19,915 | 
                                        
                                                | 16957 | pneumococcous | 6,661 | cemnopsu | 8 | 19,916 | 
                                        
                                                | 16958 | leucocytology | 6,667 | ceglotuy | 8 | 19,914 | 
                                        
                                                | 16959 | galactagoguic | 6,682 | acgilotu | 8 | 19,913 | 
                                        
                                                | 16960 | allopalladium | 6,690 | adilmopu | 8 | 19,912 |