depravation vs viciousness

depravation

noun
  • Change for the worse; deterioration; morbid perversion. 

  • Detraction; depreciation. 

  • The state of being depraved or degenerated; degeneracy; depravity. 

  • The act of depraving, or making anything bad; the act of corrupting. 

viciousness

noun
  • the desire to cause harm to others; extreme cruelty 

  • the characteristic of being vicious 

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