Demosthenic vs orotund

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. 

orotund

adj
  • Characterized by fullness, clarity, strength, and smoothness of sound. 

  • Pompous; bombastic. 

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