brass vs plaque

brass and plaque both are nouns.

Word	Noun	Adjective	Verb	Adverb
brass	Yes	No	No	No
plaque	Yes	No	No	No

As nouns, brass and plaque are synonyms defined as:

Other synonyms of brass include memorial tablet.

brass (noun)	plaque (noun)
a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece	a memorial made of brass
a memorial made of brass	(pathology) a small abnormal patch on or inside the body
an ornament or utensil made of brass
impudent aggressiveness
the persons (or committees or departments etc.) who make up a body for the purpose of administering something
the section of a band or orchestra that plays brass instruments
an alloy of copper and zinc