thresher vs whisk

thresher

noun
  • A now-obsolete hand tool for threshing, also called a flail. 

  • Anything or anyone that threshes. 

  • A modern farm machine for threshing grain, now a part of combine harvesters rather than a separate implement. 

  • Any of several large pelagic sharks of the genus Alopias, which have a very long tail; more commonly called thresher sharks. 

whisk

noun
  • A kitchen utensil, now usually made from stiff wire loops fixed to a handle (and formerly of twigs), used for whipping (or a mechanical device with the same function). 

  • A bunch of twigs or hair etc, used as a brush. 

  • A quick, light sweeping motion. 

  • A kind of cape, forming part of a woman's dress. 

  • A plane used by coopers for evening chines. 

  • A small handheld broom with a small (or no) handle. 

verb
  • To move whiskers. 

  • In cooking, to whip e.g. eggs or cream. 

  • To move something with quick light sweeping motions. 

  • To move lightly and nimbly. 

  • To move something rapidly and with no warning. 

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