bombast vs phraseology

bombast

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

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

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. 

phraseology

noun
  • The style in which words and phrases are used in writing or speech. 

  • A group of specialized words and expressions used by a particular group. 

  • Study of set or fixed expressions. 

  • A collection of phrases; a phrasebook. 

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