bullwhip vs fisticuff

bullwhip

verb
  • To beat with a bullwhip. 

noun
  • A whip made from plaited leather, often with a knotted end, for use with livestock. 

fisticuff

verb
  • To engage in a physical fight. 

noun
  • A fistfight. 

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