China vs Song

China

name
  • The principal state in this country, including (historical) an empire under various dynasties and (since 1949) the People's Republic of China. 

  • A town in Kennebec County, Maine, United States. 

  • An unincorporated community in Jefferson County, Indiana, United States. 

  • A hamlet in Delaware County, New York, United States. 

  • Synonym of mainland China. 

  • A municipality and town in Nuevo León, Mexico. 

  • A female given name. 

  • A small city in Jefferson County, Texas, United States. 

  • An unincorporated community in Howell County, Missouri, United States. 

  • A nation or civilization occupying the country around the Yellow, Yangtze, and Pearl Rivers in East Asia, taken as a whole under its various dynasties. 

Song

name
  • The era of Chinese history during which the dynasty reigned. 

  • A former dynasty in China, reigning from the end of the Five Dynasties and Ten Kingdoms to the beginning of the Yuan. 

  • A surname from Khmer. 

  • A former empire in China, occupying the eastern half of modern China. 

  • A surname from Chinese. 

  • A local government area of Adamawa State, Nigeria. 

  • A river in Papua New Guinea 

  • A river in China; any of various minor rivers in China. 

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