befog vs reveal

befog

verb
  • To envelop in fog or smoke. 

  • To confuse, mystify (a person); to make less acute or perceptive, to cloud (a person’s faculties). 

  • To obscure, make less clear (a subject, issue, etc.). 

reveal

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. 

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

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

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