pack away vs snarf

pack away

verb
  • To eat (a great deal of food). 

  • To store away, place out of the way, or stash, especially for the longer term. 

snarf

verb
  • To eat or consume greedily. 

  • To take something by dubious means, but without the connotations of stealing; to take something without regard to etiquette. 

  • To slurp (computing slang sense); to load in entirety; to copy as a whole. 

How often have the words pack away and snarf occurred in a corpus of books? (source: Google Ngram Viewer )