buttock vs gammon

buttock

noun
  • The convexity of a ship behind, under the stern. 

  • Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum and the top of the legs. 

gammon

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

  • Backgammon (the game itself). 

  • 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. 

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). 

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