maunder vs yatter

maunder

verb
  • To speak in a disorganized or desultory manner; to babble or prattle. 

  • To wander or walk aimlessly. 

yatter

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

noun
  • Natter; prattle; mindless chatter. 

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