involved vs active

involved is not a noun while active is a noun.

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

involved (noun)	active (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

involved (adjective)	active (adjective)
connected by participation or association or use	(used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
emotionally involved	characterized by energetic activity
highly complex or intricate and occasionally devious	tending to become more severe or wider in scope
enveloped	disposed to take action or effectuate change
entangled or hindered as if e.g. in mire	(of e.g. volcanoes) erupting or liable to erupt
	(of e.g. volcanoes) capable of erupting
	full of activity or engaged in continuous activity
	exerting influence or producing a change or effect
	engaged in full-time work
	expressing that the subject of the sentence has the semantic function of actor:
	(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