good luck vs wretchedness

good luck

intj
  • Used to wish fortune on someone or as encouragement. 

noun
  • Desirable or beneficial fortune. 

wretchedness

noun
  • An unhappy state of mental or physical suffering. 

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

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