insalubriousness vs wretchedness

insalubriousness

noun
  • The quality of being insalubrious. 

wretchedness

noun
  • A state of prolonged misfortune, privation, or anguish. 

  • An unhappy state of mental or physical suffering. 

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