heavens vs hinterland

heavens

noun
  • The distant sky of the sun, moon, and stars. 

intj
  • An expression of surprise, contempt, outrage, disgust, boredom, or frustration. 

hinterland

noun
  • The land immediately next to, and inland from, a coast. 

  • A remote or undeveloped area, a backwater. 

  • Anything vague or ill-defined, especially something that is ill understood. 

  • The rural territory surrounding an urban area, especially a port. 

  • That which is unknown or unexplored about someone. 

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