début vs proceeding

début

noun
  • A person’s or thing’s first appearance before society or another audience; one’s “maiden voyage”. 

verb
  • To make one's début. 

proceeding

noun
  • An event or happening; something that happens 

  • A published collection of papers presented at an academic conference, or representing the acts of a learned society. 

  • A measure or step taken in a course of business; a transaction 

  • The act of one who proceeds, or who prosecutes a design or transaction 

  • Progress or movement from one thing to another. 

  • Any legal action, especially one that is not a lawsuit. 

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