bespout vs yatter

bespout

verb
  • To pester with excessive oratory or spouting. 

  • To spout about; recite in a pompous or affected manner. 

yatter

verb
  • To natter; to prattle; to chatter mindlessly. 

noun
  • Natter; prattle; mindless chatter. 

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