amend vs rework

amend

verb
  • To make better; improve. 

  • To make a formal alteration (in legislation, a report, etc.) by adding, deleting, or rephrasing. 

  • To become better. 

noun
  • An act of righting a wrong; compensation. 

rework

verb
  • To redo, correct, or rebuild. 

noun
  • Taking unsaleable food and using it in the manufacture of other food. 

  • Work done to correct defects associated with a deliverable product, plus any root cause analysis effort to identify the task(s) to be re-performed. 

  • An instance of reworking. 

  • The act of redoing, correcting, or rebuilding. 

  • Something redone, corrected or rebuilt. 

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