Miltonian vs periphrastic

Miltonian

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

periphrastic

adj
  • Characterized by periphrasis. 

  • Expressed in more words than are necessary. 

  • Indirect in naming an entity; circumlocutory. 

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