hogwash vs mumbo jumbo

hogwash

noun
  • Foolish talk or writing; nonsense. 

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

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