awaken vs work up

awaken

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

  • To cause to become aware. 

  • To call to a sense of sin. 

  • To cause to become awake. 

  • To stop sleeping; awake. 

work up

verb
  • To raise; to excite; to stir up. 

  • To give (a patient) a general medical examination to assess health and fitness. 

  • To develop. 

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