Cathay vs Chin

Cathay

name
  • A settlement in North Dakota. 

Chin

name
  • A hamlet in Alberta, Canada. 

  • Synonym of Zo: a language of Burma. 

  • A surname from Hakka. 

  • A tribe in Burma. 

  • A state of Burma 

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