folksy vs rustic

folksy

adj
  • Characteristic of simple country life. 

  • Informal, affable and familiar. 

rustic

adj
  • Country-styled or pastoral; rural. 

  • Crude, rough. 

  • Simple; artless; unaffected. 

  • Unfinished or roughly finished. 

noun
  • A noctuoid moth. 

  • Any of various nymphalid butterflies having brown and orange wings, especially Cupha erymanthis. 

  • A (sometimes unsophisticated) person from a rural area. 

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