Jersey vs NJ

Jersey and NJ both are nouns.

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

As nouns, Jersey and NJ are synonyms defined as:

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

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

Jersey (noun)	NJ (noun)
a breed of dairy cattle developed on the island of Jersey	a Mid-Atlantic state on the Atlantic; one of the original 13 colonies
a Mid-Atlantic state on the Atlantic; one of the original 13 colonies
the largest of the Channel Islands