look down on vs patronize

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) 

patronize

verb
  • To assume a tone of unjustified superiority toward; to talk down to, to treat condescendingly. 

  • To make oneself a customer of a business, especially a regular customer. 

  • To act as a patron of; to defend, protect, or support. 

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