look down on vs spurn

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) 

spurn

verb
  • To reject disdainfully; contemn; scorn. 

  • To waste; fail to make the most of (an opportunity) 

  • To reject something by pushing it away with the foot. 

noun
  • An act of spurning; a scornful rejection. 

  • A kick; a blow with the foot. 

  • A body of coal left to sustain an overhanging mass. 

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