gibberish vs insensible

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. 

insensible

adj
  • Unable to be understood; unintelligible. 

  • Incapable or deprived of physical sensation. 

  • Unable to be perceived by the senses. 

  • Incapable of mental feeling; indifferent. 

  • Not sensible or reasonable; meaningless. 

  • Incapable of emotional feeling; callous; apathetic. 

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