epideictic vs high-sounding

epideictic

adj
  • Of or pertaining to rhetoric of ceremony, declamation, and demonstration, most often the rhetoric of funerals and other formal events. One of the three branches, or "species" (eidē), of rhetoric as outlined by Aristotle. 

high-sounding

adj
  • Oratorial, sometimes to the point of sounding contrived. 

  • Having an elevated or moralistic tone; pompous. 

How often have the words epideictic and high-sounding occurred in a corpus of books? (source: Google Ngram Viewer )