append vs exclude

append

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

  • 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. 

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

exclude

verb
  • To bar (someone or something) from entering; to keep out. 

  • To expel; to put out. 

  • To omit from consideration. 

  • To refuse to accept (evidence) as valid. 

  • To eliminate from diagnostic consideration. 

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