19 letter Words with the Lowest Letter Frequency Scores
            
            
            
                                
                    | # | Word | Frequency Score | Letters (Alpha) | Unique Letter Count | Ranking (Len) | 
|---|
                                        
                                                | 421 | colpoperineorrhaphy | 11,362 | acehilnopry | 11 | 542 | 
                                        
                                                | 422 | dendrochronological | 11,408 | acdeghilnor | 11 | 541 | 
                                        
                                                | 423 | noncommunicableness | 11,418 | abceilmnosu | 11 | 540 | 
                                        
                                                | 424 | hyperarchaeological | 11,429 | aceghilopry | 11 | 539 | 
                                        
                                                | 425 | uncommunicativeness | 11,448 | aceimnostuv | 11 | 538 | 
                                        
                                                | 426 | microelectronically | 11,502 | aceilmnorty | 11 | 537 | 
                                        
                                                | 427 | contraparallelogram | 11,508 | aceglmnoprt | 11 | 536 | 
                                        
                                                | 428 | platymesaticephalic | 11,516 | acehilmpsty | 11 | 535 | 
                                        
                                                | 429 | proctoelytroplastic | 11,524 | aceiloprsty | 11 | 534 | 
                                        
                                                | 430 | echoencephalography | 11,557 | aceghlnopry | 11 | 533 | 
                                        
                                                | 431 | saccharomycetaceous | 11,580 | acehmorstuy | 11 | 532 | 
                                        
                                                | 432 | anthropomorphitical | 11,587 | achilmnoprt | 11 | 531 | 
                                        
                                                | 433 | deindividualization | 11,649 | adeilnotuvz | 11 | 530 | 
                                        
                                                | 434 | autocholecystectomy | 11,652 | acehlmostuy | 11 | 529 | 
                                        
                                                | 435 | anatomicopathologic | 11,663 | acghilmnopt | 11 | 527 | 
                                        
                                                | 436 | pathologicoanatomic | 11,663 | acghilmnopt | 11 | 528 | 
                                        
                                                | 437 | encephalomyelopathy | 11,669 | acehlmnopty | 11 | 526 | 
                                        
                                                | 438 | uncommensurableness | 11,673 | abcelmnorsu | 11 | 525 | 
                                        
                                                | 439 | oversuperstitiously | 11,788 | eiloprstuvy | 11 | 524 | 
                                        
                                                | 440 | saccharofarinaceous | 11,795 | acefhinorsu | 11 | 523 |