lingo vs mumbo jumbo

lingo

noun
  • Language, especially language peculiar to a particular group, field, or region; jargon or a dialect. 

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