delectable vs finger-licking

delectable

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

noun
  • Something that is delectable. 

finger-licking

adj
  • Synonym of finger-lickin' good (“delicious”) 

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