Asia vs China

Asia and China both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asia	Yes	No	No	No
China	Yes	No	No	No

Asia (noun)	China (noun)
the nations of the Asian continent collectively	a communist nation that covers a vast territory in eastern Asia; the most populous country in the world
the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations	a government on the island of Taiwan established in 1949 by Chiang Kai-shek after the conquest of mainland China by the Communists led by Mao Zedong