permute vs redesign

permute

verb
  • make a permutation of 

  • change the order of 

redesign

verb
  • To lay out or plan a new version of something previously laid out or planned. 

noun
  • A plan for making changes to the structure and functions of an artifact, building or system so as to better serve the purpose of the original design, or to serve purposes different from those set forth in the original design. 

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