lip-smacking vs wickedly

lip-smacking

adv

  • Very. 

adj

  • Tasty; appetizing. 

noun

  • The act of smacking one's lips 

wickedly

adv

  • very 

  • In a wicked manner. 

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