inanition vs spiritlessness

inanition

noun
  • A spiritual emptiness or lack of purpose or will to live, akin to the Existentialist Philosophy state of "nausea". 

  • A state of advanced lack of adequate nutrition, food, or water or a physiological inability to utilize them, with resulting weakness. 

  • The act of removing the contents of something; the state of being empty. 

spiritlessness

noun
  • The state or quality of being spiritless. 

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