materialism vs rapaciousness

materialism

noun
  • Constant concern over material possessions and wealth; a great or excessive regard for worldly concerns. 

  • The philosophical belief that nothing exists beyond what is physical. 

rapaciousness

noun
  • The state of being rapacious; extreme gluttony 

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