Demosthenic vs overblown

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. 

overblown

adj
  • Of exaggerated importance; too heavily emphasized, hyped, etc. 

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