approval vs reproach

approval

noun
  • Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item. 

  • An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements. 

  • An expression of favorable acceptance and encouragement; a compliment that also condones. 

reproach

noun
  • A mild rebuke, or an implied criticism. 

  • Disgrace or shame. 

  • An object of scorn. 

verb
  • To disgrace, or bring shame upon. 

  • To criticize or rebuke (someone). 

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