amorality vs depravity

amorality

noun
  • Lack or absence of morality. 

  • The metaethical belief that nothing is morally right or morally wrong, that morality does not exist. 

depravity

noun
  • The state or condition of being depraved; moral debasement. 

  • Inborn corruption, entailing the belief that every facet of human nature has been polluted, defiled, and contaminated by sin. 

  • A particular depraved act or trait. 

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