claptrap vs piff

claptrap

noun
  • Empty verbiage or nonsense. 

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

  • A device for producing a clapping sound in theaters. 

piff

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

intj
  • An exclamation of annoyance or contempt; pish; pshaw. 

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