USA vs Connecticut

USA and Connecticut both are nouns.

Word	Noun	Adjective	Verb	Adverb
USA	Yes	No	No	No
Connecticut	Yes	No	No	No

USA (noun)	Connecticut (noun)
the army of the United States of America; the agency that organizes and trains soldiers for land warfare	a New England state; one of the original 13 colonies
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776	one of the British colonies that formed the United States, with capital Hartford or Hartford and New Haven
	a river in the northeastern United States; flows south from northern New Hampshire along the border between New Hampshire and Vermont and through Massachusetts and Connecticut where it empties into Long Island Sound