ADD vs stylus

ADD

noun
  • A designation on prerecorded compact discs indicating that the contents were recorded in analog but mixed and mastered in digital; compare AAD, DAD, DDD. 

stylus

noun
  • A pointed device formerly used to produce a groove in a record when recording sound. 

  • A small implement with a pointed end used for engraving and tracing. 

  • A hard-pointed pen-shaped instrument for marking on stencils used in a mimeograph machine. 

  • An ancient writing implement consisting of a small rod with a pointed end for scratching letters on clay, wax-covered tablets or other surfaces, and a blunt end for obliterating them. 

  • A tool for making small dots on a piece of heavy paper, used to produce Braille writing for the blind by hand. 

  • A hard point, typically of diamond or sapphire, following a groove in a phonograph and transmitting the recorded sound for reproduction. 

  • A small device resembling a pen used to input handwritten text or drawings directly into an electronic device with a touch-sensitive screen. 

  • Synonym of style. 

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