grasp vs starboard

grasp

verb
  • To grip; to take hold, particularly with the hand. 

  • To take advantage of something, to seize, to jump at a chance. 

  • To understand. 

noun
  • Understanding. 

  • That which is accessible; that which is within one's reach or ability. 

  • Grip. 

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. 

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