relook vs revamp

relook

noun
  • An additional look or examination. 

verb
  • To look again. 

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