starboard vs surfboard

starboard

verb
  • To put to the right, or starboard, side of a vessel. 

noun
  • The righthand side of a ship, boat or aircraft when facing the front, or fore or bow. Used to unambiguously refer to directions according to the sides of the vessel, rather than those of a crew member or object. 

  • One of the two traditional watches aboard a ship standing a watch in two. 

surfboard

verb
  • To use a surfboard; to surf. 

noun
  • A shaped waterproof plank, usually made of wood or foam and reinforced plastic, used to surf on waves. 

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