conscious vs unconscious

conscious is not a noun while unconscious is a noun.

Word	Noun	Adjective	Verb	Adverb
conscious	No	Yes	No	No
unconscious	Yes	Yes	No	No

conscious (noun)	unconscious (noun)
	that part of the mind wherein psychic activity takes place of which the person is unaware

conscious (adjective)	unconscious (adjective)
knowing and perceiving; having awareness of surroundings and sensations and thoughts	not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead
(followed by `of') showing realization or recognition of something	without conscious volition
intentionally conceived	(followed by `of') not knowing or perceiving