elevate vs enhance

elevate

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

  • 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 increase the intensity or degree of (something). 

enhance

verb
  • To augment or make something greater. 

  • To take up contrast agent (for an organ, tissue, or lesion). 

  • To improve something by adding features. 

  • To be raised up; to grow larger. 

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