Justice Department vs DoJ

Justice Department and DoJ both are nouns.

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

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

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

Other synonyms of Justice Department include Department of Justice, Justice.

Justice Department (noun)	DoJ (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