bullwhip vs quirt

bullwhip

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

verb
  • To beat with a bullwhip. 

quirt

noun
  • A rawhide whip plaited with two thongs of buffalo hide. 

verb
  • To strike with a quirt. 

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