gustable vs unpalatable

gustable

adj
  • Having a taste; capable of being tasted. 

  • Pleasant to the taste; toothsome; savory. 

noun
  • Something edible. 

unpalatable

adj
  • Unpleasant to the taste. 

  • Unpleasant or disagreeable. 

noun
  • Anything distasteful. 

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