indigestible vs starchy

indigestible

adj
  • Difficult to accept; unpalatable. 

  • Difficult or impossible to digest. 

noun
  • Anything that is difficult to digest. 

starchy

adj
  • Having a starched personality; stiffly formal. 

  • Containing starch. 

  • Having the quality of fabric starch as applied to fabric; stiff, hard; starched. 

  • Of or pertaining to starch. 

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