inaugurate vs introduce

inaugurate

verb
  • To dedicate ceremoniously; to initiate something in a formal manner. 

  • To induct into office with a formal ceremony. 

adj
  • Invested with office; inaugurated. 

introduce

verb
  • To bring (something) into practice. 

  • To cause (someone) to be acquainted (with someone else). 

  • To add (something) to a system, a mixture, or a container. 

  • To make (something or someone) known by formal announcement or recommendation. 

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