gustable vs inedible

gustable

noun
  • Something edible. 

adj
  • Pleasant to the taste; toothsome; savory. 

  • Having a taste; capable of being tasted. 

inedible

noun
  • Anything inedible; that which is not a foodstuff. 

adj
  • not edible; not appropriate, worthy, or safe to eat 

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