corridor vs promenade deck

corridor

noun
  • A narrow hall or passage with rooms leading off it, as in a building or in a railway carriage. 

  • Airspace restricted for the passage of aircraft. 

  • The covered way lying round the whole compass of the fortifications of a place. 

  • The land near an important road, river, railway line 

  • A restricted tract of land that allows passage between two places. 

promenade deck

noun
  • An upper deck on a passenger ship on which passengers may walk, which can be covered but open to the air. 

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