recast vs revamp

recast

noun
  • The act or process of recasting. 

  • An utterance translated into another grammatical form. 

verb
  • To mould again. 

  • To cast or throw again. 

  • To assign (roles in a play or performance) to different actors. 

  • To assign (actors) to different roles. 

  • To reproduce in a new form. 

revamp

noun
  • An act of improving, renewing, renovating, or revising something; an improvement, renovation, revamping, or revision. 

verb
  • To improve, renew, renovate, or revise (something). 

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