claptrap vs cobblers

claptrap

noun

  • Empty verbiage or nonsense. 

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

  • A device for producing a clapping sound in theaters. 

cobblers

noun

  • Nonsense. 

  • testicles. 

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