appetizing vs lip-smacking

appetizing

adj
  • That appeals to, or stimulates the appetite. 

  • Appealing or enticing. 

noun
  • any food traditionally eaten with a bagel, as an accompaniment, topping or filling; including dairy products and pareve but not meat 

lip-smacking

adj
  • Tasty; appetizing. 

adv
  • Very. 

noun
  • The act of smacking one's lips 

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