Li vs Yi

Li

name
  • A river in Guangxi, China 

  • A surname from Chinese 

  • A surname from Korean, a variant of Lee and Rhee 

  • A county of Longnan, Gansu, China 

Yi

name
  • Any of a family of Tibeto-Burman languages spoken by this people. 

  • A surname. 

  • A surname from Korean. Equivalent to Chinese 李 (Lǐ) 

noun
  • An ethnic group who live primarily in mountainous areas of southwest China. 

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