bibble vs slurp

bibble

verb
  • To eat and/or drink noisily. 

  • To tipple. 

  • To worry. 

noun
  • A species of Australian tree, the forest red gum, glossy-leaved box, or shiny-leaved box, Eucalyptus tereticornis. 

  • A bit. 

slurp

verb
  • To eat or drink noisily. 

  • To make a loud sucking noise. 

noun
  • A mouthful of liquid sucked up. 

  • A loud sucking noise, especially one made in eating or drinking. 

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