caw vs tweet

caw

intj
  • A rendering of the vocalisation of a crow or other corvid. 

noun
  • The harsh cry of a crow. 

verb
  • To make the harsh cry of a crow, rook, or raven. 

tweet

intj
  • The sound of a bird twittering. 

noun
  • The sound of a bird; any short high-pitched sound or whistle. 

  • An entry posted on the microblogging service Twitter. 

verb
  • To make a short high-pitched sound, like that of certain birds. 

  • To post an update to Twitter. 

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