bolus vs guttle

bolus

noun
  • A round mass of something, especially of chewed food in the mouth or alimentary canal. 

  • A single, large dose of a drug, especially one in that form. 

verb
  • To take a bolus (dose) of insulin at a mealtime in order to control one's blood glucose level in diabetes. 

  • To administer (a drug) in bolus dosing, that is, dosing in (one or more) boluses. 

guttle

noun
  • An act of swallowing voraciously. 

  • One who eats voraciously; a glutton. 

verb
  • To make a bubbling sound; to gurgle. 

  • To remove the guts or entrails from (a person or an animal); to disembowel, to eviscerate, to gut. 

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