bullying vs cooperative

bullying

noun
  • Persistent acts intended to make life unpleasant for another person. 

  • An act of intimidating a person to do something, especially such repeated coercion. 

cooperative

adj
  • Ready to work with another person or in a team; ready to cooperate. 

  • Involving cooperation between individuals or parties. 

  • Relating to a cooperative or cooperatives. 

noun
  • A type of company that is owned partially or wholly by its employees, customers or tenants. 

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