beachfront vs intertidal zone

beachfront

noun
  • The portion of land or property that runs alongside and facing a beach. 

adj
  • Of property (real estate): located on a beach. 

intertidal zone

noun
  • The part of a shore between high water and low water, especially the beach exposed at maximum ebb spring tides. 

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