renovate vs repurpose

renovate

verb
  • To renew; to revamp something to make it look new again. 

  • To restore to freshness or vigor. 

repurpose

verb
  • To reuse for a different purpose, on a long-term basis, without alteration. 

  • To alter to make more suited for a different purpose. 

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