drinking vs ingestion

drinking

noun
  • An act or session by which drink is consumed, especially alcoholic beverages. 

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