reveal vs signify

reveal

verb
  • To uncover; to show and display that which was hidden. 

  • To communicate that which could not be known or discovered without divine or supernatural instruction. 

noun
  • The outer side of a window or door frame. 

  • A revelation; an uncovering of what was hidden in the scene or story. 

signify

verb
  • To show one’s intentions with a sign etc.; to indicate, announce. 

  • To mean; to betoken. 

  • To make a difference; to matter (in negative or interrogative expressions). 

  • To create a sign out of something. 

  • To give (something) a meaning or an importance. 

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