DoJ vs Justice Department

DoJ and Justice Department both are nouns.

Word	Noun	Adjective	Verb	Adverb
DoJ	Yes	No	No	No
Justice Department	Yes	No	No	No

As nouns, DoJ and Justice Department are synonyms defined as:

DoJ and Justice Department: the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870

Other synonyms of DoJ include Department of Justice, Justice.

DoJ (noun)	Justice Department (noun)
the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870	the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870