appendix vs decrease

appendix

noun
  • A text added to the end of a book or an article, containing additional information. 

  • Any process, prolongation, or projection. 

  • The vermiform appendix. 

decrease

verb
  • Of a quantity, to become smaller. 

  • To make (a quantity) smaller. 

noun
  • A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting). 

  • An amount by which a quantity is decreased. 

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