bulldust vs claptrap

bulldust

noun
  • Nonsense; blatantly false statements. 

  • Fine red dust, found in desert regions of Australia. 

claptrap

noun
  • Empty verbiage or nonsense. 

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

  • A device for producing a clapping sound in theaters. 

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