piff vs piffle

piff

noun
  • Piffle; nonsense; rubbish. 

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

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

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