pitched battle vs Battle of Agincourt

pitched battle and Battle of Agincourt both are nouns.

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

pitched battle (noun)	Battle of Agincourt (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	a battle in northern France in which English longbowmen under Henry V decisively defeated a much larger French army in 1415