Chapter 11 vs richness

Chapter 11

richness

noun
  • The result or product of being rich. 

  • The number of types in a community. 

  • The state or quality of being rich; wealthiness, wealth. 

  • The state of having many examples or cases; abundance; profusion. 

How often have the words Chapter 11 and richness occurred in a corpus of books? (source: Google Ngram Viewer )