hokum vs prosaicism

hokum

noun
  • (An instance of) meaningless nonsense with an outward appearance of being impressive and legitimate. 

  • A film, television programme, theater production, etc., containing excessively contrived, hackneyed, or sentimental material. 

  • (An instance of) excessively contrived, hackneyed, or sentimental material in a film, television programme, theater production, etc. 

  • A genre of blues song or music, often characterized by sexual innuendos or satire. 

prosaicism

noun
  • The quality or state of being prosaic; a prosaic manner or style. 

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