rejuvenation vs restoration

rejuvenation

noun
  • The process of producing beneficial changes. 

  • The process of rendering young again. 

restoration

noun
  • The process of bringing an object back to its original state; the process of restoring something. 

  • The return of a former monarchy or monarch to power, usually after having been forced to step down. 

  • The receiving of a sinner to divine favor. 

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