append vs subdivide

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. 

subdivide

verb
  • To divide into smaller sections. 

  • To divide divisions into smaller divisions. 

  • To divide a plot of land into plots for residences; to convert open land into housing. 

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