restore vs vitiate

restore

verb
  • To give in place of, or as restitution for. 

  • To recover (data, etc.) from a backup. 

  • To bring (a note) back to its original signification. 

  • To bring back to good condition from a state of decay or ruin. 

  • To reestablish, or bring back into existence. 

  • To give or bring back (that which has been lost or taken); to bring back to the owner; to replace. 

noun
  • The act of recovering data or a system from a backup. 

vitiate

verb
  • To debase or morally corrupt. 

  • To make something ineffective, to invalidate. 

  • To spoil, make faulty; to reduce the value, quality, or effectiveness of something. 

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