contentious vs cooperative

contentious

adj
  • Marked by heated arguments or controversy. 

  • Given to struggling with others out of jealousy or discord. 

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 contentious and cooperative occurred in a corpus of books? (source: Google Ngram Viewer )