unconscious vs conscious

unconscious is a noun but conscious is not a noun.

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

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

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