gammon vs overpower

gammon

verb
  • To lash with ropes (on a ship). 

  • To cure bacon by salting. 

  • To beat by a gammon (without the opponent bearing off a stone). 

noun
  • Backgammon (the game itself). 

  • A rope fastening a bowsprit to the stem of a ship (usually called a gammoning). 

  • A victory in backgammon achieved when the opponent has not borne off a single stone. 

  • A cut of quick-cured pork leg. 

  • A middle-aged or older right-wing, reactionary white man, or such men collectively. 

overpower

verb
  • To subdue someone by superior force. 

  • To make excessively powerful. 

  • To excel or exceed in power; to cause to yield; to subdue. 

  • To render imperceptible by means of greater strength, intensity, etc. 

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