gammon vs harrow

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. 

harrow

verb
  • To drag a harrow over; to break up with a harrow. 

  • To traumatize or disturb; to frighten or torment. 

  • To break or tear, as if with a harrow; to wound; to lacerate; to torment or distress; to vex. 

noun
  • An obstacle formed by turning an ordinary harrow upside down, the frame being buried. 

  • A device consisting of a heavy framework having several disks or teeth in a row, which is dragged across ploughed land to smooth or break up the soil, to remove weeds or cover seeds; a harrow plow. 

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