pitched battle vs battle of Plassey

pitched battle and battle of Plassey both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
battle of Plassey	Yes	No	No	No

pitched battle (noun)	battle of Plassey (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	the victory in 1757 by the British under Clive over Siraj-ud-daula that established British supremacy over Bengal