urban center vs Hamilton

urban center and Hamilton both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Hamilton	Yes	No	No	No

urban center (noun)	Hamilton (noun)
a large and densely populated urban area; may include several independent administrative districts	a port city in southeastern Ontario at the western end of Lake Ontario
	the capital of Bermuda
	United States statesman and leader of the Federalists; as the first Secretary of the Treasury he establish a federal bank; was mortally wounded in a duel with Aaron Burr (1755-1804)
	United States toxicologist known for her work on industrial poisons (1869-1970)
	English beauty who was the mistress of Admiral Nelson (1765-1815)
	Irish mathematician (1806-1865)