head off vs incept

head off

verb
  • To start out. 

  • To intercept. 

  • To avoid the undesirable consequences of; prevent. 

  • To turn away from the wind. 

  • To begin moving away. 

incept

verb
  • To begin. 

  • To take in or ingest. 

  • To put an idea into a person's mind so deeply that they believe it was their own. Inspired by the movie Inception (2010) and used by Mark Zuckerberg & Yuval Noah Harari in Conversation at 01:23:00. 

  • To be accepted to the Master of Arts degree at Oxford or Cambridge University. 

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