abracadabra vs mumbo jumbo

abracadabra

noun
  • Mumbo jumbo; obscure language or technicalities; jargon. 

  • A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word. 

intj
  • Used to indicate that a magic trick or other illusion has been performed. 

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. 

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