piff vs twaddle

piff

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

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

adj
  • good or attractive. 

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