active vs inactive

active is a noun but inactive is not a noun.

Word	Noun	Adjective	Verb	Adverb
active	Yes	Yes	No	No
inactive	No	Yes	No	No

active (noun)	inactive (noun)
a person who is a participating member of an organization
the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
chemical agent capable of activity

active (adjective)	inactive (adjective)
(used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being	(military) not involved in military operations
characterized by energetic activity	not active physically or mentally
tending to become more severe or wider in scope	(pathology) not progressing or increasing; or progressing slowly
disposed to take action or effectuate change	lacking activity; lying idle or unused
(of e.g. volcanoes) erupting or liable to erupt	lacking in energy or will
(of e.g. volcanoes) capable of erupting	(of e.g. volcanoes) not erupting and not extinct
full of activity or engaged in continuous activity	not exerting influence or change
exerting influence or producing a change or effect	not engaged in full-time work
engaged in full-time work	not in physical motion
expressing that the subject of the sentence has the semantic function of actor:	(chemistry) not participating in a chemical reaction; chemically inert
(of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions
in operation
taking part in an activity
engaged in or ready for military or naval operations