encompass vs lack

encompass

verb
  • To go around, especially, to circumnavigate. 

  • To include completely; to describe fully or comprehensively. 

  • To form a circle around; to encircle. 

  • To include within its scope; to circumscribe or go round so as to surround; to enclose; to contain. 

lack

noun
  • A deficiency or need (of something desirable or necessary); an absence, want. 

verb
  • To be short (of or for something). 

  • To be without, not to have, to need, to require. 

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