Du Barry vs Madame du Barry

Du Barry and Madame du Barry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Du Barry	Yes	No	No	No
Madame du Barry	Yes	No	No	No

As nouns, Du Barry and Madame du Barry are synonyms defined as:

Du Barry and Madame du Barry: courtier and influential mistress of Louis XV who was guillotined during the French Revolution (1743-1793)

Other synonyms of Du Barry include Comtesse Du Barry, Marie Jeanne Becu.

Du Barry (noun)	Madame du Barry (noun)
courtier and influential mistress of Louis XV who was guillotined during the French Revolution (1743-1793)	courtier and influential mistress of Louis XV who was guillotined during the French Revolution (1743-1793)