Bluegrass State vs Kaintuck

Bluegrass State

name
  • The official nickname for the state of Kentucky in the United States of America. 

Kaintuck

name
  • The US state of Kentucky. 

noun
  • A native or resident of Kentucky, especially one who has a rustic character. 

adj
  • Of or pertaining to the US state of Kentucky. 

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