First State vs DE

First State and DE both are nouns.

Word	Noun	Adjective	Verb	Adverb
First State	Yes	No	No	No
DE	Yes	No	No	No

As nouns, First State and DE are synonyms defined as:

First State and DE: a Mid-Atlantic state; one of the original 13 colonies, with capital Dover

Other synonyms of First State include Del., Delaware, Diamond State.

First State (noun)	DE (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Dover	a Mid-Atlantic state; one of the original 13 colonies, with capital Dover