overindulgence vs sybaritism

overindulgence

noun
  • An act of overindulging; indulgence in too much; pleasure or consumption taken in excess of what is satisfying or necessary. 

sybaritism

noun
  • luxury; wantonness; voluptuousness 

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