easefulness vs opulence

easefulness

noun
  • State of being easeful, or a quality of promoting ease and tranquillity. 

opulence

noun
  • ostentatious display of wealth and luxury; plushness. 

  • wealth 

  • abundance, bounty, profusion 

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