awaken vs retrospect

awaken

verb
  • To cause to become aware. 

  • To call to a sense of sin. 

  • To cause to become awake. 

  • To bring into action (something previously dormant); to stimulate. 

  • To stop sleeping; awake. 

retrospect

verb
  • To look or refer back to; to reflect on. 

noun
  • Consideration of past times. 

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