Qin vs Shang

Qin

name
  • An ancient feudal state of China that existed between 778 and 207 BC. 

  • The first imperial dynasty of China, lasting from 221 to 207 BC. 

  • A surname from Chinese. 

  • A county of Changzhi, Shanxi, China. 

Shang

name
  • an ancient dynasty in China 

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