Doing Business As vs DBA

Doing Business As and DBA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Doing Business As	Yes	No	No	No
DBA	Yes	No	No	No

As nouns, Doing Business As and DBA are synonyms defined as:

Doing Business As and DBA: (law) a name under which a corporation conducts business that is not the legal name of the corporation as shown in its articles of incorporation

Other synonyms of Doing Business As include assumed name, fictitious name.

Doing Business As (noun)	DBA (noun)
(law) a name under which a corporation conducts business that is not the legal name of the corporation as shown in its articles of incorporation	(law) a name under which a corporation conducts business that is not the legal name of the corporation as shown in its articles of incorporation