pitched battle vs first battle of Ypres

pitched battle and first battle of Ypres both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
first battle of Ypres	Yes	No	No	No

pitched battle (noun)	first battle of Ypres (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	battle in World War I (1914); heavy but indecisive fighting as the Allies and the Germans both tried to break through the lines of the others