delectable vs tastable

delectable

adj
  • Highly pleasing; delightful, especially to any of the senses; delicious. 

noun
  • Something that is delectable. 

tastable

adj
  • That can be tasted; that can be detected by one's sense of taste. 

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