accommodation ladder vs twitten

accommodation ladder

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

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

twitten

noun
  • a narrow path between two walls or hedges, especially on hills. For example, small alleyways leading between two buildings to courtyards, streets, or open areas behind. 

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