flagellate vs quirt

flagellate

verb
  • To whip or scourge. 

  • Of a spermatozoon, to move its tail back and forth. 

adj
  • Resembling a whip. 

  • Having flagella. 

noun
  • Any organism that has flagella. 

quirt

verb
  • To strike with a quirt. 

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

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