administer vs administrative

administer is not an adjective while administrative is an adjective.

Word	Noun	Adjective	Verb	Adverb
administer	No	No	Yes	No
administrative	No	Yes	No	No

administer (adjective)	administrative (adjective)
	of or relating to or responsible for administration

administer (verb)	administrative (verb)
give or apply (medications)
administer or bestow, as in small portions
perform (a church sacrament) ritually
work in an administrative capacity; supervise or be in charge of
direct the taking of