append vs reduce

append

verb
  • To add, as an accessory to the principal thing; to annex 

  • To write more data to the end of a pre-existing file, string, or other object. 

  • To hang or attach to, as by a string, so that the thing is suspended 

noun
  • An instance of writing more data to the end of an existing file. 

reduce

verb
  • To annul by legal means. 

  • To convert to written form. (Usage note: this verb almost always appears as "reduce to writing".) 

  • To lose weight. 

  • To perform a reduction; to restore a fracture or dislocation to the correct alignment. 

  • To bring to an inferior state or condition. 

  • To simplify an equation or formula without changing its value. 

  • To bring to an inferior rank; to degrade, to demote. 

  • To convert a syllogism to a clearer or simpler form. 

  • To add electrons / hydrogen or to remove oxygen. 

  • To humble; to conquer; to subdue; to capture. 

  • To bring down the size, quantity, quality, value or intensity of something; to diminish, to lower. 

  • To strike off the payroll. 

  • To decrease the liquid content of food by boiling much of its water off. 

  • To produce metal from ore by removing nonmetallic elements in a smelter. 

  • To express the solution of a problem in terms of another (known) algorithm. 

  • To reform a line or column from (a square). 

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