lick one's chops vs rejoice

lick one's chops

verb
  • To anticipate something eagerly. 

  • To use one's tongue to remove moistness from the sides of one's mouth, as when salivating or at the conclusion of a meal. 

  • To look forward avidly to eating something. 

rejoice

verb
  • To make happy, exhilarate. 

  • To be very happy, be delighted, exult; to feel joy. 

How often have the words lick one's chops and rejoice occurred in a corpus of books? (source: Google Ngram Viewer )