lacking vs packed

lacking

noun
  • The absence of something; a lack. 

adj
  • Missing or not having enough of (a good quality, etc). 

packed

adj
  • Filled with a large number or large quantity of something. 

  • Filled to capacity with people. 

  • Put into a package. 

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