mull over vs scorn

mull over

verb
  • To think deeply about something; to ponder, deliberate or ruminate. 

scorn

verb
  • To feel or display contempt or disdain for something or somebody; to despise. 

  • To refuse to do something, as beneath oneself. 

  • To scoff, to express contempt. 

  • To reject, turn down. 

noun
  • A display of disdain; a slight. 

  • Contempt or disdain. 

  • An object of disdain, contempt, or derision. 

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