Asia vs North Korea

Asia and North Korea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asia	Yes	No	No	No
North Korea	Yes	No	No	No

Asia (noun)	North Korea (noun)
the nations of the Asian continent collectively	a communist country in the northern half of the Korean Peninsula; established in 1948
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