gist vs implication

gist

noun
  • The most essential part; the main idea or substance (of a longer or more complicated matter); the crux of a matter; the pith. 

verb
  • To summarize, to extract and present the most important parts of. 

implication

noun
  • The act of implicating. 

  • The state of being implicated. 

  • An implying, or that which is implied, but not expressed; an inference, or something which may fairly be understood, though not expressed in words. 

  • The connective in propositional calculus that, when joining two predicates A and B in that order, has the meaning "if A is true, then B is true". 

  • Logical consequence. 

  • A possible effect or result of a decision or action. 

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