deprave vs elevate

deprave

verb
  • To make bad or worse; to vitiate; to corrupt 

  • To speak ill of; to depreciate; to malign; to revile 

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). 

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