rap over the knuckles vs reproach

rap over the knuckles

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 rap over the knuckles and reproach occurred in a corpus of books? (source: Google Ngram Viewer )