- (now rare) Alternative spelling of Korea.
- 1999, Keith Pratt and Richard Rutt with additional material by James Hoare, Korea: A Historical and Cultural Dictionary, Routledge, page 232
- 'Corea' (1613) soon became normal, but 'Korea' appears as early as 1738 and was generally accepted in the 19th century, though 'Corea' lingered as a rarity until 1940.
- 2004, Andrew C. Nahm, James E. Hoare, Historical Dictionary of the Republic of Korea, Scarecrow Press, pages 95-96
- In the late 1990s, a number of South Koreans began to claim that the Japanese had deliberately fostered the use of Korea rather than Corea so that Japan would be listed before Korea in country lists. [...] There is no evidence that Japan actually did this, and, since Korea was not an independent country from 1910 until 1945, it rarely appeared in country lists.
- 2006, Samuel S. Kim, The Two Koreas and the Great Powers, Cambridge University Press, page 50
- [T]he spelling of Korea with a "K" is sometimes alleged to be a Japanese invention from the colonial period so that Korea would follow Japan in alphabetical listings in the Roman alphabet.