re-examination vs rethink

re-examination

noun
  • A second or subsequent examination. 

  • In United States patent law, a procedure under which an issued patent is returned to the examiner to determine if it remains valid in light of newly discovered prior art. 

  • Subsequent questioning of a witness after cross-examination. 

rethink

noun
  • The act of thinking again about something. 

verb
  • To think again about something, with the intention of changing or replacing it. 

How often have the words re-examination and rethink occurred in a corpus of books? (source: Google Ngram Viewer )