gibberish vs redundant

gibberish

adj
  • unintelligible, incoherent or meaningless 

noun
  • Needlessly obscure or overly technical language. 

  • Speech or writing that is unintelligible, incoherent or meaningless. 

  • A language game, comparable to pig Latin, in which one inserts a nonsense syllable before the first vowel in each syllable of a word. 

redundant

adj
  • Repetitive or needlessly wordy. 

  • Dismissed from employment because no longer needed. 

  • Superfluous; exceeding what is necessary, no longer needed. 

  • Duplicating or able to duplicate the function of another component of a system, providing backup in the event the other component fails. 

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