feeding vs ingestion

feeding

noun
  • The act or process of eating. 

  • The act or process of giving food. 

  • The loading of material into a machine that will process it. 

  • An instance or session of giving food. 

  • An instance or session of eating. 

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 feeding and ingestion occurred in a corpus of books? (source: Google Ngram Viewer )