Demosthenic vs rotund

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. 

rotund

adj
  • Having a round body shape; portly or plump; podgy. 

  • Full and rich; orotund; sonorous; full-toned. 

  • Having a round, spherical or curved shape; circular; orbicular. 

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