hogwash vs piffle

hogwash

noun
  • Foolish talk or writing; nonsense. 

  • A mixture of solid and liquid food scraps fed to pigs; swill. 

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 hogwash and piffle occurred in a corpus of books? (source: Google Ngram Viewer )