First Earl Wavell vs field marshal

First Earl Wavell and field marshal both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Earl Wavell	Yes	No	No	No
field marshal	Yes	No	No	No

First Earl Wavell (noun)	field marshal (noun)
British field marshal in North Africa in World War II; he defeated the Italians before being defeated by the Germans (1883-1950)	an officer holding the highest rank in the army