Zomi vs Zou

Zomi

noun
  • The Zou people who speak the Zou language, a Northern Kukish language. 

Zou

noun
  • An indigenous people living along the frontier of India and Burma. 

name
  • The Kukish language spoken by the Zou people. 

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