cognizant vs consciousness

cognizant is not a noun while consciousness is a noun.

Word	Noun	Adjective	Verb	Adverb
cognizant	No	Yes	No	No
consciousness	Yes	No	No	No

cognizant (noun)	consciousness (noun)
	an alert cognitive state in which you are aware of yourself and your situation
	having knowledge of

cognizant (adjective)	consciousness (adjective)
(sometimes followed by `of') having or showing knowledge or understanding or realization or perception