eliminate vs expunge

eliminate

verb
  • To completely remove, get rid of, put an end to. 

  • To kill (a person or animal). 

  • To exclude (from investigation or from further competition). 

  • To record amounts in a consolidation statement to remove the effects of inter-company transactions. 

  • To excrete (waste products). 

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. 

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