acquit vs scrub out

acquit

verb
  • To clear oneself. 

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

scrub out

verb
  • To scrub until all uncleanliness has been removed. 

  • To leave a surgical operating theater where one has previously scrubbed in 

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