colloquy vs symposium

colloquy

noun
  • A written discourse. 

  • A conversation or dialogue. 

  • A church court held by certain Reformed denominations. 

  • A discussion during a trial in which a judge ensures that the defendant understands what is taking place in the trial and what their rights are. 

verb
  • To converse. 

symposium

noun
  • A collection of essays, articles or papers on a particular subject by a number of contributors. 

  • A drinking party in Ancient Greece, especially one with intellectual discussion. 

  • A conference or other meeting for discussion of a topic, especially one in which the participants make presentations. 

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