beep vs peep

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. 

peep

verb
  • To make a soft, shrill noise like a baby bird. 

  • To look, especially through a narrow opening, or while trying not to be seen or noticed. 

  • To speak briefly with a quiet voice. 

  • To begin to appear; to look forth from concealment; to make the first appearance. 

  • To take a look at; check out. 

noun
  • The sound of a steam engine's whistle; typically shrill. 

  • A quick look or glimpse, especially a furtive one. 

  • A feeble utterance or complaint. 

  • A sandpiper or other small wader. 

  • The first partial appearance of something; a beginning to appear. 

  • A short, soft, high-pitched sound, as made by a baby bird. 

  • person. 

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