moult vs regenerate

moult

verb
  • To shed or lose a covering of hair or fur, feathers, skin, horns, etc, and replace it with a fresh one. 

  • To shed in such a manner. 

noun
  • The process of shedding or losing a covering of fur, feathers or skin etc. 

  • The skin or feathers cast off during the process of moulting. 

regenerate

verb
  • To replace lost or damaged tissue. 

  • 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. 

noun
  • One who is spiritually reborn. 

adj
  • Spiritually reborn. 

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