hereafter vs spiritual world

hereafter

noun
  • Existence after death. 

  • A future existence or state. 

adv
  • Sequentially after this point (in time, in the writing constituting a document, in the movement along a path, etc.) 

  • From now on. 

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 hereafter and spiritual world occurred in a corpus of books? (source: Google Ngram Viewer )