bullwhip vs goad

bullwhip

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

verb
  • To beat with a bullwhip. 

goad

noun
  • A long, pointed stick used to prod animals. 

  • That which goads or incites; a stimulus. 

verb
  • To encourage or stimulate. 

  • To incite or provoke. 

  • To prod with a goad. 

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