debate vs meditation

debate

noun
  • An informal and spirited but generally civil discussion of opposing views. 

  • A type of literary composition, taking the form of a discussion or disputation, commonly found in the vernacular medieval poetry of many European countries, as well as in medieval Latin. 

  • Discussion of opposing views. 

  • An argument, or discussion, usually in an ordered or formal setting, often with more than two people, generally ending with a vote or other decision. 

verb
  • To consider (to oneself), to think over, to attempt to decide 

  • To participate in a debate; to dispute, argue, especially in a public arena. 

meditation

noun
  • A contemplative discourse, often on a religious or philosophical subject. 

  • A devotional exercise of, or leading to contemplation. 

  • Careful and thorough thought. 

  • A musical theme treated in a meditative manner. 

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