brass vs valve

brass and valve both are nouns.

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

brass (noun)	valve (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	one of the paired hinged shells of certain molluscs and of brachiopods
a memorial made of brass	the entire one-piece shell of a snail and certain other molluscs
an ornament or utensil made of brass	control consisting of a mechanical device for controlling the flow of a fluid
impudent aggressiveness	device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
the persons (or committees or departments etc.) who make up a body for the purpose of administering something	a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
the section of a band or orchestra that plays brass instruments
an alloy of copper and zinc