Creek vs Grazer

Creek

noun

  • One of a Native American tribe from the Southeastern United States, also known as the Muscogee. 

adj

  • Of or pertaining to the Creek tribe. 

name

  • The Muskogean language of the Creek tribe. 

  • A surname. 

Grazer

noun

  • A native or inhabitant of Graz. 

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