New Jersey vs Jersey

New Jersey and Jersey both are nouns.

Word	Noun	Adjective	Verb	Adverb
New Jersey	Yes	No	No	No
Jersey	Yes	No	No	No

As nouns, New Jersey and Jersey are synonyms defined as:

New Jersey and Jersey: a Mid-Atlantic state on the Atlantic; one of the original 13 colonies

Other synonyms of New Jersey include Garden State, N.J., NJ.

New Jersey (noun)	Jersey (noun)
a Mid-Atlantic state on the Atlantic; one of the original 13 colonies	a breed of dairy cattle developed on the island of Jersey
one of the British colonies that formed the United States, with capital Elizabethtown, Perth Amboy, or Burlington	a Mid-Atlantic state on the Atlantic; one of the original 13 colonies
	the largest of the Channel Islands