chirp vs stridulate

chirp

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

  • To speak in a high-pitched staccato. 

  • 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. 

stridulate

verb
  • To make a high-pitched chirping, grating, hissing, or squeaking sound, as male crickets and grasshoppers do, by rubbing certain body parts together. 

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