indigestible vs miserable

indigestible

adj
  • Difficult to accept; unpalatable. 

  • Difficult or impossible to digest. 

noun
  • Anything that is difficult to digest. 

miserable

adj
  • Wretched; worthless; mean; contemptible. 

  • In a state of misery: very sad, ill, or poor. 

  • Very bad (at something); unskilled, incompetent; hopeless. 

  • Of the weather, extremely unpleasant due to being cold, wet, overcast, etc. 

noun
  • A miserable person; a wretch. 

  • A state of misery or melancholy. 

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