catwalk vs jet bridge

catwalk

noun
  • An elevated enclosed passage providing access fore and aft from the bridge of a merchant vessel. 

  • A narrow elevated stage on which models parade; a runway 

  • Any similar elevated walkway. 

  • The business of making clothes for fashion shows. 

jet bridge

noun
  • An elevated corridor connecting an airport to a plane, usually enclosed and used for disembarking and embarking passengers and crew. 

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