burble vs vox populi

burble

noun
  • A gush of rapid speech. 

  • The turbulent boundary layer about a moving streamlined body. 

  • A bubbling, gurgling sound, as of a creek. 

  • Trouble; disorder. 

verb
  • To babble; to speak in an excited rush. 

  • To trouble or confuse. 

  • To bubble; to gurgle. 

vox populi

noun
  • voice of the people. 

  • The public comment portion of a public meeting. 

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