claptrap vs piffle

claptrap

noun
  • Empty verbiage or nonsense. 

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

  • A device for producing a clapping sound in theaters. 

piffle

noun
  • Nonsense, foolish talk. 

verb
  • To waste, to fritter away. 

  • To act or speak in a futile, ineffective, or nonsensical manner. 

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