depravation vs derangement

depravation

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

  • Detraction; depreciation. 

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

  • Change for the worse; deterioration; morbid perversion. 

derangement

noun
  • An act or instance of deranging. 

  • A permutation of a set such that no element is in its previous position. 

  • The property of being deranged. 

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