verbicide
noun
                                                                                                                            
                                                            ver·bi·cide
                    
                                                                                                              
                                                                                                                                  ˈvər-bə-ˌsīd  
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : deliberate distortion of the sense of a word (as in punning)                                      
                
                    
2
                    
                                          
              
          
                                                      : one who distorts the sense of a word                                      
                
                    
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  Merriam-Webster unabridged




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