beep vs chirp

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. 

chirp

verb
  • To speak in a high-pitched staccato. 

  • To make a short, sharp, cheerful note, as of small birds or crickets. 

  • To modify (a pulse of signal) so that it sweeps through a band of frequencies throughout its duration. 

  • To speak rapid insulting comical banter back and forth. 

noun
  • A pulse of signal whose frequency sweeps through a band of frequencies for the duration of the pulse. 

  • A short, sharp or high note or noise, as of a bird or insect. 

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