Kwangchow vs Canton

Kwangchow and Canton both are nouns.

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

As nouns, Kwangchow and Canton are synonyms defined as:

Kwangchow and Canton: 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 Guangzhou, Kuangchou.

Kwangchow (noun)	Canton (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