burble vs guggle

burble

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

  • The turbulent boundary layer about a moving streamlined body. 

  • Trouble; disorder. 

  • A gush of rapid speech. 

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

  • To trouble or confuse. 

  • To bubble; to gurgle. 

guggle

noun
  • The sound of liquid being poured. 

verb
  • To pour from a container and make this sound 

  • To make a sound as of liquid being poured from a small-necked container 

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