prate vs waffler

prate

noun
  • Talk to little purpose; trifling talk; unmeaningful loquacity. 

verb
  • To talk much and to little purpose; to be loquacious; to speak foolishly. 

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. 

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