refurb vs regenerate

refurb

verb
  • to refurbish 

noun
  • The act of refurbishing 

  • a thing that has been refurbished 

regenerate

verb
  • To become reconstructed. 

  • To construct or create anew, especially in an improved manner. 

  • To undergo a spiritual rebirth. 

  • To revitalize. 

  • Of a water softener: to flush out the minerals extracted from the water supply. 

  • To replace lost or damaged tissue. 

noun
  • One who is spiritually reborn. 

adj
  • Spiritually reborn. 

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