North Korea vs Battle of Chongju

North Korea and Battle of Chongju both are nouns.

Word	Noun	Adjective	Verb	Adverb
North Korea	Yes	No	No	No
Battle of Chongju	Yes	No	No	No

North Korea (noun)	Battle of Chongju (noun)
a communist country in the northern half of the Korean Peninsula; established in 1948	a battle in the Korean War (November 1950); when UN troops advanced north to the Yalu River 200,000 Chinese troops crossed the river and drove them back