Shepherd vs Troll

Shepherd

name
  • A village in Isabella County, Michigan. 

  • An English surname originating as an occupation. 

  • An unincorporated community in Boone County, Indiana. 

  • A census-designated place in Yellowstone County, Montana. 

  • A city in San Jacinto County, Texas. 

  • A male given name 

Troll

name
  • a native or resident of the Lower Peninsula of Michigan 

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