fade vs unfold

fade

verb
  • To sink away; to disappear gradually; to grow dim; to vanish. 

  • To grow weak; to lose strength; to decay; to perish gradually; to wither, as a plant. 

  • To hit the ball with the shot called a fade. 

  • To bet against. 

  • To lose freshness, color, or brightness; to become faint in hue or tint; hence, to be wanting in color. 

  • To cause to fade. 

noun
  • A haircut where the hair is short or shaved on the sides of the head and longer on top. See also high-top fade and low fade. 

  • The act of disappearing from a place so as not to be found; covert departure. 

  • A golf shot that curves intentionally to the player's right (if they are right-handed) or to the left (if left-handed). 

  • A fight. 

  • A gradual decrease in the brightness of a shot or the volume of sound or music (as a means of cutting to a new scene or starting a new song). 

unfold

verb
  • To turn out; to happen; to develop. 

  • To undo a folding. 

  • To release from a fold or pen. 

  • To open (anything covered or closed); to lay open to view or contemplation; to bring out in all the details, or by successive development. 

  • To reveal. 

noun
  • In functional programming, a kind of higher-order function that is the opposite of a fold. 

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