eliminate vs introduce

eliminate

verb
  • To excrete (waste products). 

  • To kill (a person or animal). 

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

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

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

introduce

verb
  • To add (something) to a system, a mixture, or a container. 

  • To cause (someone) to be acquainted (with someone else). 

  • To bring (something) into practice. 

  • To make (something or someone) known by formal announcement or recommendation. 

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