inequity vs righteousness

inequity

noun
  • A lack of equity (justice). 

  • An unjust act; a disservice. 

righteousness

noun
  • Holiness; conformity of life to the divine law. 

  • The act or conduct of one who is righteous. 

  • The quality or state of being righteous. 

  • A righteous act, or righteous quality. 

  • The state of being right with God; justification; the work of Christ, which is the ground justification. 

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