assimilate vs ingest

assimilate

verb
  • To incorporate nutrients into the body, especially after digestion. 

  • To bring to a likeness or to conformity; to cause a resemblance between. 

  • To incorporate or absorb (knowledge) into the mind. 

  • To liken, compare to something similar. 

  • To become similar. 

  • To absorb (a person or people) into a community or culture. 

  • To be incorporated or absorbed into something. 

noun
  • Something that is or has been assimilated. 

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 assimilate and ingest occurred in a corpus of books? (source: Google Ngram Viewer )