reskin vs revamp

reskin

verb
  • To replace the skin of a motor vehicle, especially so as to market the same car under different brands 

  • To change the skin, or visual appearance, of an application. 

noun
  • Something that uses the exact same model as something else, but has superficial differences such as textures. 

revamp

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

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

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