look down on vs spit in the eye/face of

look down on

verb
  • To regard or treat as inferior. 

  • To view [people or events on Earth] from the vantage point of the afterlife (originally, Heaven) 

spit in the eye/face of

How often have the words look down on and spit in the eye/face of occurred in a corpus of books? (source: Google Ngram Viewer )