bombast vs murmur

bombast

verb
  • To use high-sounding words; to speak or write in a pompous or ostentatious manner. 

  • To swell or fill out; to inflate, to pad. 

adj
  • Big without meaning, or high-sounding; bombastic, inflated; magniloquent. 

noun
  • High-sounding words; language above the dignity of the occasion; a pompous or ostentatious manner of writing or speaking. 

murmur

verb
  • To speak or make low, indistinguishable noise; to mumble, mutter. 

  • To say (something) indistinctly, to mutter. 

noun
  • The sound made by any condition which produces noisy, or turbulent, flow of blood through the heart. 

  • A muttered complaint or protest; the expression of dissatisfaction in a low muttering voice; any expression of complaint or discontent. 

  • Soft indistinct speech. 

  • Any low, indistinct sound, like that of running water. 

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