lawks a-mercy vs praise the Lord

lawks a-mercy

intj
  • A minced oath for "Lord have mercy". 

praise the Lord

intj
  • phrase used to thank God by Christians. 

  • expression of thankful happiness. 

  • stereotypical exclamation used in mockery of Christianity. 

How often have the words lawks a-mercy and praise the Lord occurred in a corpus of books? (source: Google Ngram Viewer )