acquit vs do right by

acquit

verb
  • To bear or conduct oneself; to perform one's part. 

  • To declare or find innocent or not guilty. 

  • Followed by of (and formerly by from): to discharge, release, or set free from a burden, duty, liability, or obligation, or from an accusation or charge. 

  • To discharge (for example, a claim or debt); to clear off, to pay off; to fulfil. 

  • To clear oneself. 

do right by

verb
  • To treat, deal with, or act toward (someone) in a morally just, socially honorable fashion. 

How often have the words acquit and do right by occurred in a corpus of books? (source: Google Ngram Viewer )