First Marquess Cornwallis vs full general

First Marquess Cornwallis and full general both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Marquess Cornwallis	Yes	No	No	No
full general	Yes	No	No	No

First Marquess Cornwallis (noun)	full general (noun)
commander of the British forces in the American War of Independence; was defeated by American and French troops at Yorktown (1738-1805)	a general officer of the highest rank