eat up vs ingest

eat up

verb
  • To consume completely. 

  • To accept or believe entirely, immediately, and without questioning. 

  • to find something to be very cute (typically only used for children or pets) 

  • His behavior has eaten up all the goodwill we felt towards him. 

  • To cover (a distance or an amount). 

ingest

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. 

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

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