accommodation ladder vs landing

accommodation ladder

noun
  • a flight of stairs or a ladder for lowering over the side of a ship for access to and from a small boat. 

  • The property ladder, without the implication of necessarily owning the place where one lives. 

landing

noun
  • A level area at the top of a flight of stairs, or connecting one flight with another. 

  • An arrival at a surface, as of an airplane or any descending object. 

  • A place on a shoreline where a boat lands. 

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