shade vs tweak

shade

verb
  • To alter slightly. 

  • To shield (someone or something) from light. 

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

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

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

  • To darken, particularly in drawing. 

  • To surpass by a narrow margin. 

  • 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. 

tweak

verb
  • To adjust slightly; to fine-tune. 

  • To pinch and pull with a sudden jerk and twist; to twitch. 

  • To exhibit extreme nervousness, evasiveness when confronted by authorities, compulsiveness, erratic motion, excitability, etc, due to or mimicking the symptoms of methamphetamine abuse. 

  • To abuse methamphetamines, especially crystal meth. 

  • To tease, to annoy; to get under the skin of (someone, typically so as to irritate them, or by extension to enamor, frighten, etc). 

noun
  • A sharp pinch or jerk; a twist or twitch. 

  • An additional input to a block cipher, used in conjunction with the key to select the permutation computed by the cipher. 

  • A slight adjustment or modification. 

  • Trouble; distress; tweag. 

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