abstain vs ingest

abstain

verb
  • Deliberately refrain from casting one's vote at a meeting where one is present. 

  • Refrain from (something or doing something); keep from doing, especially an indulgence. 

ingest

noun
  • The process of importing data or other material into a system. 

verb
  • To take (a substance, e.g., food) into the body of an organism, especially through the mouth and into the gastrointestinal tract. 

  • To cause (an undesired object or fluid) to enter the engine, generally via the intake. 

  • To bring or import into a system. 

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