down-home vs just folks

down-home

adj
  • Simple and unpretentious, especially having the characteristics of a Southern rural lifestyle. 

just folks

noun
  • Ordinary, unpretentious people; an ordinary, unpretentious person. 

  • Unpretentious, informal, down-to-earth. 

How often have the words down-home and just folks occurred in a corpus of books? (source: Google Ngram Viewer )