claptrap vs twaddle

claptrap

noun
  • Empty verbiage or nonsense. 

  • A device or trick to gain applause; a humbug. 

  • A device for producing a clapping sound in theaters. 

twaddle

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

  • One who twaddles; a twaddler. 

verb
  • To talk or write nonsense; to prattle. 

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