waffler vs yatter

waffler

noun
  • One who waffles or rambles; a vague, unfocused speaker or writer. 

  • A waffle iron. 

  • One who waffles, or changes sides or positions frequently. 

yatter

noun
  • Natter; prattle; mindless chatter. 

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

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