digestive system vs palate

digestive system

noun
  • A system of organs for the purpose of digesting food. 

palate

noun
  • The palate of an animal, as an item of food. 

  • The hypopharynx of an insect. 

  • A projection in the throat of certain bilabiate flowers as the snapdragon. 

  • A person's ability to distinguish between and appreciate different flavors. 

  • Mental relish; a liking or affinity for something. 

  • A part associated with the mouth of certain invertebrates, somewhat analagous to the palate of vertebrates. 

  • Taste or flavour, especially with reference to wine or other alcoholic drinks. 

verb
  • To relish; to find palatable. 

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