reveal vs stonewall

reveal

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

  • The outer side of a window or door frame. 

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

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

stonewall

noun
  • An obstruction. 

  • An alcoholic drink popular in colonial America, consisting of apple cider (or sometimes applejack) mixed with rum (or sometimes gin or whisky). 

  • A refusal to cooperate. 

verb
  • To obstruct. 

  • To refuse to answer or cooperate, especially in supplying information. 

adj
  • Certain, definite. 

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