claptrap vs gobbledygook

claptrap

noun
  • Empty verbiage or nonsense. 

  • A device or trick to gain applause; a humbug. 

  • A device for producing a clapping sound in theaters. 

gobbledygook

noun
  • Nonsense; meaningless or encrypted language. 

  • Something written in an overly complex, incoherent, or incomprehensible manner. 

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