ADD vs tissue

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. 

tissue

noun
  • Web; texture; complicated fabrication; connected series. 

  • A sheet of absorbent paper, especially one that is made to be used as tissue paper, toilet paper or a handkerchief. 

  • The scratch sheet or racing form. 

  • Thin, woven, gauze-like fabric. 

  • Absorbent paper as material. 

  • A group of cells (along with their extracellular matrix if any) that are similar in origin and function together to do a specific job. 

  • A fine transparent silk material, used for veils, etc.; specifically, cloth interwoven with gold or silver threads, or embossed with figures. 

verb
  • To form tissue of; to interweave. 

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