improve vs rescript

improve

verb
  • To become better. 

  • To make (something) better; to increase the value or productivity (of something). 

rescript

verb
  • To script again or anew. 

noun
  • A rewriting, a document copied or written again. 

  • A duplicate copy of a legal document. 

  • A clarification of a point of law by a monarch issued upon formal consultation by a lower magistrate. 

  • An ad hoc reply of a pope to some specific question of canon law or morality, without precedential force, sometimes (improper) inclusive of decretals which serve as precedents in canon law. 

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