Dorchester County vs Isanti County

Dorchester County

name

  • One of 23 counties in Maryland, United States. County seat: Cambridge. 

  • One of 46 counties in South Carolina, United States. County seat: St. George. 

Isanti County

name

  • One of 87 counties in Minnesota, United States. County seat: Cambridge. 

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