relaunch vs restage

relaunch

verb
  • To launch again. 

noun
  • The act or fact of launching again. 

restage

verb
  • To stage (a production) again; to bring (a production) to the stage again. 

  • To stage (a disease, especially a cancer) again; to revise the staging of a case as its course varies. 

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