append vs rend

append

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

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 

rend

verb
  • To part or tear off forcibly; to take away by force; to amputate. 

  • To be rent or torn; to become parted; to separate; to split. 

  • To separate into parts with force or sudden violence; to split; to burst 

noun
  • A violent separation of parts. 

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