fade vs focus

fade

verb
  • To cause to fade. 

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

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). 

focus

verb
  • To cause (rays of light, etc) to converge at a single point. 

  • To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane. 

  • To transfer the input focus to (a visual element), so that it receives subsequent input. 

  • To direct attention, effort, or energy to a particular audience or task. 

  • To concentrate one’s attention. 

  • To concentrate during a task. 

  • To aggregate figures of accounts. 

noun
  • The fact of the convergence of light on the photographic medium. 

  • A point of a conic at which rays reflected from a curve or surface converge. 

  • The most important word or phrase in a sentence or passage, or the one that imparts information. 

  • The quality of the convergence of light on the photographic medium. 

  • A point at which reflected or refracted rays of light converge. 

  • The exact point of where an earthquake occurs, in three dimensions (underneath the epicentre). 

  • The status of being the currently active element in a user interface, often indicated by a visual highlight. 

  • Concentration of attention. 

  • An object used in casting a magic spell. 

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