horsewhip vs quirt

horsewhip

noun
  • A whip for use on horses. 

verb
  • To flog or lash with a horsewhip. 

quirt

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

verb
  • To strike with a quirt. 

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