deadland vs spiritual world

deadland

noun
  • The afterlife, especially in belief systems that do not include reward or punishment such as heaven and hell. 

  • Wasteland; a desert or other place that does not support life. 

  • A place of death; a deadly land. 

spiritual world

noun
  • The afterlife. 

  • A metaphysical plane of existence parallel to the material world and occupied by spirits and other unearthly forces. 

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