legislation vs administration

legislation and administration both are nouns.

Word	Noun	Adjective	Verb	Adverb
legislation	Yes	No	No	No
administration	Yes	No	No	No

As nouns, administration is a hypernym of legislation; that is, administration is a word with a broader meaning than legislation:

Other hypernyms of legislation include governance, governing, government, government activity.

legislation (noun)	administration (noun)
the act of making or enacting laws	a method of tending to or managing the affairs of some group of people (especially the group's business affairs)
law enacted by a legislative 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