proceeding vs stepping

proceeding

noun
  • Progress or movement from one thing to another. 

  • 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 

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

stepping

noun
  • The act of taking a step. 

  • A specific iteration of a model of central processing unit, often distinguished by the addition or removal of features compared to earlier examples of the same processor, or the presence, or lack thereof, of specific bugs. 

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