elevate vs upheave

elevate

verb
  • To raise (something) to a higher position. 

  • To direct (the mind, thoughts, etc.) toward more worthy things. 

  • To confer honor or nobility on (someone). 

  • To promote (someone) to a higher rank. 

  • To make (something or someone) more worthy or of greater value. 

  • To increase the intensity or degree of (something). 

upheave

verb
  • To be lifted up; rise. 

  • To lift or thrust something upward forcefully, or be similarly lifted or thrust upward. 

  • To heave or lift up; raise up or aloft. 

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