alive vs aliveness

alive is not a noun while aliveness is a noun.

Word	Noun	Adjective	Verb	Adverb
alive	No	Yes	No	No
aliveness	Yes	No	No	No

alive (noun)	aliveness (noun)
	the property of being animated; having animal life as distinguished from plant life
	the condition of living or the state of being alive

alive (adjective)	aliveness (adjective)
possessing life
having life or vigor or spirit
capable of erupting
mentally perceptive and responsive
in operation
(often followed by `with') full of life and spirit
(followed by `to' or `of') aware of