bombastic vs extravagant

bombastic

adj
  • High-sounding but with little meaning. 

  • showy in speech and given to using flowery or elaborate terms; grandiloquent; pompous 

extravagant

adj
  • Extreme; wild; excessive; unrestrained. 

  • Exorbitant. 

  • Profuse in expenditure; prodigal; wasteful. 

  • Exceeding the bounds of something; roving; hence, foreign. 

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