outlook vs watch person watchtower

outlook

noun
  • Expectation for the future. 

  • look; appearance 

  • A place from which something can be viewed. 

  • An attitude or point of view. 

  • The view from such a place. 

watch person watchtower

How often have the words outlook and watch person watchtower occurred in a corpus of books? (source: Google Ngram Viewer )