beep vs whistle

beep

noun
  • The sound produced by the horn of a car, or any similar sound. 

  • A message sent to a pager device. 

  • A short, electronically produced tone. 

verb
  • To sound (something that makes a beep). 

  • To contact (someone via) a pager device. 

  • To telephone a person, only allowing the phone to ring once, in order to request a call back. 

  • To produce a beep. 

  • To have sexual intercourse with - referring to the bleep tone used to censor obscene words in broadcasts 

whistle

noun
  • Any high-pitched sound similar to the sound made by whistling. 

  • A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound. 

  • An act of whistling. 

  • A shrill, high-pitched sound made by whistling. 

  • A suit (from whistle and flute). 

  • The mouth and throat; so called as being the organs of whistling. 

verb
  • To make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips. 

  • To make a similar sound by forcing air through a musical instrument or a pipe etc. 

  • To move in such a way as to create a whistling sound. 

  • To send, signal, or call by a whistle. 

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