opulence vs pomp and circumstance

opulence

noun

  • ostentatious display of wealth and luxury; plushness. 

  • wealth 

  • abundance, bounty, profusion 

pomp and circumstance

noun

  • A display of ceremonial grandeur. 

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