reweigh vs work over

reweigh

verb
  • To weigh again; to weigh something that has already been weighed. 

work over

verb
  • To physically attack in order to cause injury. 

  • To subject (a person) to a severe scolding, interrogation, etc. 

  • To improve a prototype, or first draft. 

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