administration vs power structure

administration and power structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
administration	Yes	No	No	No
power structure	Yes	No	No	No

administration (noun)	power structure (noun)
a method of tending to or managing the affairs of some group of people (especially the group's business affairs)	the organization of people at different ranks in an administrative body
the act of administering medication
the act of meting out justice according to the law
the act of governing; exercising authority
the persons (or committees or departments etc.) who make up a body for the purpose of administering something
the tenure of a president