paralyse vs vitiate

paralyse

verb
  • To make unable to function properly. 

  • To make unable to move; to immobilize. 

  • To afflict with paralysis. 

vitiate

verb
  • To make something ineffective, to invalidate. 

  • To debase or morally corrupt. 

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

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