banter vs chaff

banter

verb
  • To joke about; to ridicule (a trait, habit, etc.). 

  • To delude or trick; to play a prank upon. 

  • To challenge to a match. 

  • To haggle; cheapen the price. 

  • To engage in banter or playful conversation. 

  • To play or do something amusing. 

  • To tease (someone) mildly. 

noun
  • Sharp, good-humoured, playful, typically spontaneous conversation. 

chaff

verb
  • To make fun of; to turn into ridicule by addressing in ironical or bantering language; to quiz. 

  • To use light, idle language by way of fun or ridicule; to banter. 

  • To cut up (straw or hay) for use as cattle feed. 

noun
  • Light jesting talk; banter; raillery. 

  • Any excess or unwanted material, resource, or person; anything worthless. 

  • Loose material, e.g. small strips of aluminum foil dropped from aircraft, intended to interfere with radar detection. 

  • Straw or hay cut up fine for the food of cattle. 

  • The inedible parts of a grain-producing plant. 

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