gap vs shade

gap

verb
  • To check the size of a gap. 

  • To leave suddenly. 

  • To notch, as a sword or knife. 

  • To make an opening in; to breach. 

noun
  • A vacancy, deficit, absence, or lack. 

  • The shortfall between the amount the medical insurer will pay to the service provider and the scheduled fee for the item. 

  • An opening in anything made by breaking or parting. 

  • A hiatus, a pause in something which is otherwise continuous. 

  • An opening allowing passage or entrance. 

  • An opening that implies a breach or defect. 

  • (usually written as "the gap") The disparity between the indigenous and non-indigenous communities with regard to life expectancy, education, health, etc. 

  • An unsequenced region in a sequence alignment. 

  • The regions between the outfielders. 

  • A vacant space or time. 

  • A mountain or hill pass. 

  • A sheltered area of coast between two cliffs (mostly restricted to place names). 

shade

verb
  • To surpass by a narrow margin. 

  • To shield (someone or something) from light. 

  • To reduce (a window) so that only its title bar is visible. 

  • To alter slightly. 

  • To move slightly from one's normal fielding position. 

  • To vary or approach something slightly, particularly in color. 

  • To darken, particularly in drawing. 

  • To throw shade, to subtly insult someone. 

  • To shield oneself from light. 

noun
  • Something that blocks light, particularly in a window. 

  • A variety of a colour/color, in particular one obtained by adding black (compare tint). 

  • An aspect that is reminiscent of something. 

  • A very small degree of a quantity, or variety of meaning 

  • A ghost or specter; a spirit. 

  • A subtle variation in a concept. 

  • A postage stamp showing an obvious difference in colour/color to the original printing and needing a separate catalogue/catalog entry. 

  • Subtle insults. 

  • A candle-shade. 

  • A cover around or above a light bulb, a lampshade. 

  • Darkness where light, particularly sunlight, is blocked. 

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