intersperse vs reskin

intersperse

verb
  • To scatter or insert something into or among other things. 

  • To diversify by placing or inserting other things among something. 

  • To mix two things irregularly, placing things of one kind among things of other. 

reskin

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

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

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

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