reassembly vs redesign

reassembly

noun
  • The process of assembling something again. 

redesign

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. 

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

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