dither vs stew

dither

verb
  • To tremble, shake, or shiver with cold. 

  • To render an approximation of (an image or graphic) by using dot patterns to simulate the appearance of colors or shades not in the system palette. 

  • To be uncertain or unable to make a decision about doing something. 

  • To intentionally add noise to a signal to randomize errors. 

  • To do something nervously. 

noun
  • A form of noise which is intentionally applied to randomize errors which occur in the processing of both digital audio and digital video data. 

  • The use of dot patterns to approximate colors not available in the palette. 

  • The state of being undecided. 

stew

verb
  • To suffer under uncomfortably hot conditions. 

  • To brew (tea) for too long, so that the flavour becomes too strong. 

  • To cook (food) by slowly boiling or simmering. 

  • To be in a state of elevated anxiety or anger. 

noun
  • A heated bath-room or steam-room; also, a hot bath. 

  • A dish cooked by stewing. 

  • A state of agitated excitement, worry, and/or confusion. 

  • A steward or stewardess on an airplane or boat. 

  • A pool in which fish are kept in preparation for eating. 

  • An artificial bed of oysters. 

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