polished vs regenerated

polished

adj
  • Refined, elegant. 

  • Made smooth or shiny by polishing. 

regenerated

adj
  • Spiritually made again; reborn. 

  • Physically formed or created again; restored, remade, revived. 

  • Reprecipitated after chemical treatment, especially in the form of fibres; pertaining to fibres prepared in this way. 

  • Formed by regeneration. 

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