gullet vs muzzle

gullet

noun
  • The wide space under the pommel of a saddle; the hollow over the withers of a saddled animal. 

  • A channel for water. 

  • A preparatory cut or channel in excavations, of sufficient width for the passage of earth wagons. 

  • The throat or esophagus. 

  • The cytopharynx of a ciliate, through which food is ingested. 

  • The space between the teeth of a saw blade. 

muzzle

noun
  • The protruding part of an animal's head which includes the nose, mouth and jaws. 

  • The mouth or the end for entrance or discharge of a gun, pistol etc., that the bullet emerges from. 

  • A piece of the forward end of the plow-beam by which the traces are attached. 

  • A device used to prevent an animal from biting or eating, which is worn on its snout. 

  • A person's mouth. 

verb
  • To bind or confine an animal's mouth by putting a muzzle, as to prevent it from eating or biting. 

  • To bring the muzzle or mouth near. 

  • To restrain (from speaking, expressing opinion or acting); to gag; to silence; to censor. 

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