bunkum vs claptrap

bunkum

noun
  • Senseless talk; nonsense; a piece of nonsense. 

  • Bombastic political posturing or oratorical display designed only for show or public applause. 

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 bunkum and claptrap occurred in a corpus of books? (source: Google Ngram Viewer )