unsanctify vs vitiate

unsanctify

verb
  • To reduce from a holy condition; to make profane. 

vitiate

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

  • To make something ineffective, to invalidate. 

  • To debase or morally corrupt. 

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