Agincourt vs pitched battle

Agincourt and pitched battle both are nouns.

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

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