deadland vs mortality

deadland

noun
  • A place of death; a deadly land. 

  • 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. 

mortality

noun
  • Death. 

  • The number of deaths per given unit of population over a given period of time. 

  • Deaths resulting from an event (such as a war, epidemic or disaster). 

  • The state of being susceptible to death. 

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