Kwangchow vs Kuangchou

Kwangchow and Kuangchou both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kwangchow	Yes	No	No	No
Kuangchou	Yes	No	No	No

As nouns, Kwangchow and Kuangchou are synonyms defined as:

Kwangchow and Kuangchou: a city on the Zhu Jiang delta in southern China; the capital of Guangdong province and a major deep-water port

Other synonyms of Kwangchow include Canton, Guangzhou.

Kwangchow (noun)	Kuangchou (noun)
a city on the Zhu Jiang delta in southern China; the capital of Guangdong province and a major deep-water port	a city on the Zhu Jiang delta in southern China; the capital of Guangdong province and a major deep-water port