promenade deck vs thoroughfare

promenade deck

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

thoroughfare

noun
  • An unobstructed waterway allowing passage for ships. 

  • A road open at both ends or connecting one area with another; a highway or main street. 

  • The act of going through; passage; travel, transit. 

  • A passage; a way through. 

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