haven vs jetty

haven

noun
  • A harbour or anchorage protected from the sea. 

  • A peaceful place. 

  • A place of safety. 

verb
  • To put into, or provide with a haven. 

jetty

noun
  • A wharf or dock extending from the shore. 

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

  • 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 haven and jetty occurred in a corpus of books? (source: Google Ngram Viewer )