biting vs indigestible

biting

noun
  • A bite-sized snack. 

  • An instance of something being bitten. 

adj
  • Tending to bite. 

  • Causing a stinging sensation. 

  • Cutting or incisive. 

indigestible

noun
  • Anything that is difficult to digest. 

adj
  • Difficult or impossible to digest. 

  • Difficult to accept; unpalatable. 

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