piazza vs road

piazza

noun
  • A public square, especially in Italian cities. 

  • A roofed gallery or arcade (for example around a public square or in front of a building). 

road

adj
  • At the venue of the opposing team or competitor; on the road. 

noun
  • A partly sheltered area of water near a shore in which vessels may ride at anchor; a roadstead. 

  • A railway or (UK, rail transport) a single railway track. 

  • A path chosen in life or career. 

  • A way or route. 

  • A way used for travelling between places, originally one wide enough to allow foot passengers and horses to travel, now (US) usually one surfaced with asphalt or concrete and designed to accommodate many vehicles travelling in both directions. In the UK both senses are heard: a country road is the same as a country lane. 

  • Roads in general as a means of travel, especially by motor vehicle. 

  • An underground tunnel in a mine. 

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