debauch vs vitiate

debauch

verb
  • To morally corrupt (someone); to seduce. 

  • To debase (something); to lower the value of (something). 

  • To indulge in revelry. 

noun
  • An orgy. 

  • An individual act of debauchery. 

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 debauch and vitiate occurred in a corpus of books? (source: Google Ngram Viewer )