beep vs purr

beep

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 

noun
  • A message sent to a pager device. 

  • A short, electronically produced tone. 

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

purr

verb
  • To make a vibrating throaty sound, as from pleasure. 

  • Of a cat, to make a vibrating sound in its throat when contented. 

  • To make a low and consistent rumbling sound. 

  • To say (something) in a throaty, seductive manner. 

intj
  • Throat vibrating sound made by a cat. 

noun
  • The vibrating sound made by a cat in its throat when contented. 

  • A throaty, seductive sound of pleasure made by a person. 

  • The low consistent rumble made by an engine at slow speed 

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