ruralism vs rusticism

ruralism

noun
  • The state or quality of being rustic. 

  • A rural idiom or expression. 

  • Advocacy of rural life instead of urbanism or city living. 

  • Rural living. 

rusticism

noun
  • A rustic custom or characteristic. 

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