opulence vs profusion

opulence

noun
  • abundance, bounty, profusion 

  • wealth 

  • ostentatious display of wealth and luxury; plushness. 

profusion

noun
  • abundance; the state of being profuse; a cornucopia 

  • lavish or imprudent expenditure; prodigality or extravagance 

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