permute vs revamp

permute

verb
  • make a permutation of 

  • change the order of 

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 permute and revamp occurred in a corpus of books? (source: Google Ngram Viewer )