broadside vs penetrate

broadside

verb
  • To collide with something side-on. 

noun
  • The printed lyrics of a folk song or ballad; a broadsheet. 

  • A forceful attack, be it written or spoken. 

  • One side of a ship above the water line; all the guns on one side of a warship; their simultaneous firing. 

  • A large sheet of paper, printed on one side and folded. 

adv
  • Sideways; with the side turned to the direction of some object. 

penetrate

verb
  • To move a piece past the defending pieces of one's opponent. 

  • To enter into; to make way into the interior of; to pierce. 

  • To achieve understanding of, despite some obstacle; to comprehend; to understand. 

  • To affect profoundly through the senses or feelings; to move deeply. 

  • To insert the penis into an opening, such as a vagina, mouth or anus. 

  • To infiltrate an enemy to gather intelligence. 

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