: along with being : and                                      
                
                  —used to form usually hyphenated phrases
… he is a credible mining camp elder-cum-publican.—
George Bernard Shaw
… Christian and Christian-cum-voodoo churches …—
David Binder
    
                
                    often vulgar, less common spelling of come entry 1 sense 2j, come entry 2
                                
              
          
                                                      cumulative                                      
                
                    
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  Merriam-Webster unabridged




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