expunge vs include

expunge

verb
  • To eliminate completely; to annihilate. 

  • To delete permanently (e-mail etc.) that was previously marked for deletion but still stored. 

  • To erase or strike out. 

include

noun
  • A piece of source code or other content that is dynamically retrieved for inclusion in another item. 

verb
  • To use a directive that allows the use of source code from another file. 

  • To consider as part of something; to comprehend. 

  • To bring into a group, class, set, or total as a (new) part or member. 

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