hierarchy vs establishment

hierarchy and establishment both are nouns.

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

hierarchy (noun)	establishment (noun)
a series of ordered groupings of people or things within a system	the act of forming or establishing something
the organization of people at different ranks in an administrative body	a public or private structure (business or governmental or educational) including buildings and equipment for business or residence
	the cognitive process of establishing a valid proof
	an organization founded and united for a specific purpose
	any large organization
	the persons (or committees or departments etc.) who make up a body for the purpose of administering something
	(ecology) the process by which a plant or animal becomes established in a new habitat