delectable vs lip-smacking

delectable

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

noun
  • Something that is delectable. 

lip-smacking

adj
  • Tasty; appetizing. 

noun
  • The act of smacking one's lips 

adv
  • Very. 

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