Jinshui vs Jinzhou

Jinshui

name

  • A district of Zhengzhou, Henan, China. 

Jinzhou

name

  • A prefecture-level city in Liaoning, China. 

  • A county-level city in Shijiazhuang, Hebei, China. 

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