Chinese vs Sinese

Chinese

noun
  • A person from China or of Chinese descent. 

  • Chinese cuisine. 

  • A meal consisting of Chinese cuisine. 

name
  • The branch of the Sino-Tibetan language family including Mandarin, Cantonese, Shanghainese, Minnan, and other closely related language varieties and dialects. 

  • The logographic writing system shared by most Sinitic languages. 

  • The Han Chinese, whether in China or overseas. 

  • The Standard Chinese language, written in Chinese characters and spoken and spelled using Standard Mandarin pronunciation. 

  • The citizens of China, particularly citizens of the People's Republic of China. 

adj
  • Of, from, or related to China, particularly now the People's Republic of China. 

  • Of, from, or related to a language native to Han Chinese persons, often used generally of Chinese characters or particularly to refer to Standard Mandarin. 

  • As exotic, unusual, backwards, or unorganized as someone or something from China. 

  • Of, from, or related to the people of China, particularly the Han Chinese and their culture whether in China or overseas. 

Sinese

noun
  • The Chinese people or a Chinese person, (particularly) with reference to the historical southern Chinese known to the Greeks and Romans as the Sinae. 

adj
  • Of or relating to the Sinae or their homeland. 

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