happening vs proceeding

happening

noun
  • Something that happens. 

  • A spontaneous or improvised event, especially one that involves audience participation. 

adj
  • Trendy, up-to-the-minute. 

  • Busy, lively; vibrant, dynamic; fashionable. 

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 happening and proceeding occurred in a corpus of books? (source: Google Ngram Viewer )