Afar vs backwoods

Afar

noun
  • A member of the people who speak this language and reside in these regions. 

name
  • A Cushitic language spoken in Ethiopia, Eritrea and Djibouti. 

  • A region of Ethiopia. 

backwoods

noun
  • A remote or sparsely inhabited region, especially in North America; away from big towns and from the influence of modern life. 

  • Partly or wholly uncleared forest, especially in North America. 

adj
  • Rough, uncouth, coarse, or crude in social matters. 

  • Pertaining to the backwoods. 

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