mumbo jumbo vs piffle

mumbo jumbo

noun
  • Any confusing or meaningless speech; nonsense, gibberish. 

  • Any object of superstition; religious words and/or actions which are seen as superstitious or fraudulent. 

  • A deity or other supernatural being said to have been worshipped by certain West African peoples; an idol. 

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