red-faced vs unrepentant

red-faced

adj
  • angry 

  • flustered 

  • Used other than figuratively or idiomatically: see red, face. 

  • inebriate 

  • exhausted 

  • embarrassed 

unrepentant

adj
  • Feeling or showing no sorrow or regret for wrongdoing. 

How often have the words red-faced and unrepentant occurred in a corpus of books? (source: Google Ngram Viewer )