Afar vs Grass

Afar

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

  • A region of Ethiopia. 

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

Grass

name
  • A group of languages spoken in Papua New Guinea. 

  • A surname. 

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