prate vs twaddle

prate

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

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

twaddle

verb
  • To talk or write nonsense; to prattle. 

noun
  • Empty or silly idle talk or writing; nonsense, rubbish. 

  • One who twaddles; a twaddler. 

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