inaugurate vs induct

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. 

induct

verb
  • To formally or ceremoniously install in an office, position, etc. 

  • To draft into military service. 

  • To introduce into (particularly if certain knowledge or experience is required, such as ritual adulthood or cults). 

  • To bring in as a member; to make a part of. 

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