blather vs gibberish

blather

noun
  • Nonsensical or foolish talk. 

verb
  • To say (something foolish or nonsensical); to say (something) in a foolish or overly verbose way. 

  • To talk rapidly without making much sense. 

gibberish

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

  • Needlessly obscure or overly technical language. 

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

adj
  • unintelligible, incoherent or meaningless 

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