discuss vs want to know

discuss

verb
  • To converse or debate concerning a particular topic. 

  • To examine or search thoroughly; to exhaust a remedy against, as against a principal debtor before proceeding against the surety. 

want to know

verb
  • To ask (used as a dialogue marker or introductory statement). 

How often have the words discuss and want to know occurred in a corpus of books? (source: Google Ngram Viewer )