Demosthenic vs high-flown

Demosthenic

adj
  • Pertaining to or characteristic of Demosthenes, a celebrated Athenian orator (384-322, B.C.), especially famous for his "Phillippics," or orations delivered against the encroachments of Philip, king of Macedon. 

high-flown

adj
  • pretentiously eloquent; highly figurative 

  • lofty, extravagant, refined 

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