hierarchy vs brass

hierarchy and brass both are nouns.

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

hierarchy (noun)	brass (noun)
a series of ordered groupings of people or things within a system	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 organization of people at different ranks in an administrative body	a memorial made of brass
	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