sinister vs starboard

sinister

adj
  • On the left side of a shield from the wearer's standpoint, and the right side to the viewer. 

  • Inauspicious, ominous, unlucky, illegitimate (as in bar sinister). 

  • Evil or seemingly evil; indicating lurking danger or harm. 

starboard

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. 

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

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