resay vs restage

resay

verb
  • To say again, to repeat, to iterate. 

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 resay and restage occurred in a corpus of books? (source: Google Ngram Viewer )