unconsumable vs unpalatable

unconsumable

adj
  • Not able to be consumed. 

unpalatable

adj
  • Unpleasant to the taste. 

  • Unpleasant or disagreeable. 

noun
  • Anything distasteful. 

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