valve vs brass

valve and brass both are nouns.

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

valve (noun)	brass (noun)
one of the paired hinged shells of certain molluscs and of brachiopods	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
the entire one-piece shell of a snail and certain other molluscs	a memorial made of brass
control consisting of a mechanical device for controlling the flow of a fluid	an ornament or utensil made of brass
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone	impudent aggressiveness
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it	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