blatter vs yatter

blatter

noun
  • Blather; foolish talk. 

  • A sound of rapid motion. 

  • A hard battering of rain. 

verb
  • To blather. 

  • To hurry or rush noisily. 

yatter

noun
  • Natter; prattle; mindless chatter. 

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

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