NJ vs Jersey

NJ and Jersey both are nouns.

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

As nouns, NJ and Jersey are synonyms defined as:

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

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

NJ (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
	a Mid-Atlantic state on the Atlantic; one of the original 13 colonies
	the largest of the Channel Islands