degradation vs depravation

degradation

noun
  • The state or condition of a species or group which exhibits degraded forms; degeneration. 

  • The state of being reduced in rank, character, or reputation; baseness; moral, physical, or intellectual degeneracy; disgrace; abasement; debasement. 

  • Diminution or reduction of strength, efficacy, or value; degeneration; deterioration. 

  • The act of reducing in rank, character, or reputation, or of abasing; a lowering from one's standing or rank in office or society 

  • A deleterious change in the chemical structure, physical properties or appearance of a material from natural or artificial exposure. 

  • Arrest of development, or degeneration of any organ, or of the body as a whole. 

  • The gradual breakdown of components of a material, as a result of a natural element, i.e.: heat, cold and wind. 

  • A gradual wearing down or wasting, as of rocks and banks, by the action of water, frost etc. 

depravation

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

  • Detraction; depreciation. 

  • Change for the worse; deterioration; morbid perversion. 

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

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