gangway vs overpass

gangway

noun
  • A temporary passageway, such as one made of planks. 

  • A passageway through which to enter or leave, such as one between seating areas in an auditorium, or between two buildings. 

  • An aisle. 

  • A passage along either side of a ship's upper deck. 

  • An articulating bridge or ramp, such as from land to a dock or a ship. 

  • The narrow space between two buildings or houses, used to access the backyard/alleyway from the front. 

  • A passageway through a passenger car 

  • An earthen and plank ramp leading from the stable yard into the upper storey or mow of a dairy barn. 

  • A passage through the side of a ship or an opening in the railing through which the ship may be boarded. 

verb
  • To serve as, furnish with, or conduct oneself as though proceeding on a gangway. 

intj
  • Make way! Clear a path! 

overpass

noun
  • A section of a road or path that crosses over an obstacle, especially another road, railway, etc. 

verb
  • To pass above something, as when flying or moving on a higher road. 

  • To exceed, overstep, or transcend a limit, threshold, or goal. 

  • To disregard, skip, or miss something. 

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