eating vs ingestion

eating

noun
  • The act of ingesting food. 

  • The act of corroding or consuming some substance. 

  • Food; cooking, cuisine. 

adj
  • Suitable to be eaten without being cooked. 

  • Bred to be eaten. 

ingestion

noun
  • The action of ingesting, or consuming something orally, whether it be food, drink, medicine, or other substance. It is usually referred to as the first step of digestion. 

  • The act of ingesting something into a jet engine. 

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