disputation vs sit-down

disputation

noun
  • A rhetorical exercise in which parties reason in opposition to each other on some question proposed. 

  • The act of disputing; a dispute or argument. 

sit-down

noun
  • A sit-in, a protest of civil disobedience by people sitting and refusing to move. 

  • An act of sitting down, especially with other people in some form of social exchange. 

adj
  • Intended to be done, used, consumed etc. while sitting. 

How often have the words disputation and sit-down occurred in a corpus of books? (source: Google Ngram Viewer )