airport vs runway

airport

noun
  • An airfield (an area designated for the takeoff and landing of aircraft), including one or more runways and (for commercial airports) one or more passenger terminals. 

runway

noun
  • A section of land, usually paved, for airplanes to land on or take off from. 

  • A defined, narrow section of land or an artificial structure used for access. 

  • In javelin, long jump, and similar events: a short track along which athletes can accelerate themselves for their jumps or throws. 

  • A stream bed. 

  • Hence, the number of months that a startup company can operate by using up its cash reserves. 

  • The usual path taken by deer or other wild animals, such as from a forest to a water source. 

  • A narrow walkway (often on a platform) extending from a stage on which people walk, especially one used by models during fashion shows. 

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