bow window vs jetty

bow window

noun
  • A curved, bow-shaped window space projecting outward from the main walls of a building, similar to a bay window. 

jetty

noun
  • A part of a building that jets or projects beyond the rest, and overhangs the wall below. 

  • A wharf or dock extending from the shore. 

  • A structure of wood or stone extended into the sea to influence the current or tide, or to protect a harbor or beach. 

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