pitched battle vs Battle of Rocroi

pitched battle and Battle of Rocroi both are nouns.

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

pitched battle (noun)	Battle of Rocroi (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	a battle in the Thirty Years' War (1643); the French defeated the Spanish invaders