pitched battle vs Battle of Chongju

pitched battle and Battle of Chongju both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
Battle of Chongju	Yes	No	No	No

pitched battle (noun)	Battle of Chongju (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	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