Qing vs Sui

Qing

name

  • Qing dynasty (1644–1912), the last imperial dynasty of China. 

Sui

name

  • The Sui dynasty of China which ruled from 581 to 618. 

  • A county of Suizhou, Hubei, China. 

  • A surname of Chinese origin. 

  • The language of these people, part of the Kra-Dai language family. 

noun

  • A member of an ethnic people living primarily in the Guizhou province of China, with around 430,000 people. 

adj

  • Pertaining to the Sui language or the Sui people. 

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