murmur vs scoff

murmur

noun
  • A muttered complaint or protest; the expression of dissatisfaction in a low muttering voice; any expression of complaint or discontent. 

  • The sound made by any condition which produces noisy, or turbulent, flow of blood through the heart. 

  • Soft indistinct speech. 

  • Any low, indistinct sound, like that of running water. 

verb
  • To say (something) indistinctly, to mutter. 

  • To speak or make low, indistinguishable noise; to mumble, mutter. 

scoff

noun
  • A derisive or mocking expression of scorn, contempt, or reproach. 

  • The act of eating. 

  • An object of scorn, mockery, or derision. 

  • Food. 

verb
  • To eat. 

  • To jeer; to laugh with contempt and derision. 

  • To eat food quickly. 

  • To mock; to treat with scorn. 

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