massacre vs worst

massacre

verb
  • To kill with great force or brutality. 

  • To win against (an opponent) very decisively. 

  • To perform (a work, such as a musical piece or a play) very poorly. 

  • To kill in considerable numbers where little or no resistance can be made, with indiscriminate violence, without necessity, and contrary to civilized norms. (Often limited to the killing of human beings.) 

noun
  • St. Bartholomew's Day Massacre 

  • Any overwhelming defeat, as in a game or sport. 

  • The killing of a considerable number (usually limited to people) where little or no resistance can be made, with indiscriminate violence, without necessity, and contrary to civilized norms. 

worst

verb
  • To outdo or defeat, especially in battle. 

noun
  • Something or someone that is the worst. 

adj
  • Most unfavorable. 

  • Used with the definite article and an implied noun: something that is worst. 

  • Most inferior; doing the least good. 

  • Most harmful or severe. 

How often have the words massacre and worst occurred in a corpus of books? (source: Google Ngram Viewer )