Augustan vs austere

Augustan

adj
  • Pertaining to the Roman poetic literature during this time. 

  • Pertaining to the times of the Roman emperor Augustus (63 B.C.E. - 14 C.E.). 

  • Pertaining to the period of English literature during the first half of the 18th century, known for satire and political themes. 

austere

adj
  • Lacking decoration; trivial; not extravagant or gaudy 

  • Grim or severe in manner or appearance 

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