Miltonian vs heroic

Miltonian

adj
  • Of or pertaining to John Milton (1608–1674), English poet, or his works. 

heroic

noun
  • A heroic verse. 

adj
  • Courageous; displaying heroism. 

  • Of or relating to a hero or heroine; supremely noble 

  • Of a size larger than life, but less than colossal. 

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