nastiness vs awful

nastiness is a noun but awful is not a noun.

Word	Noun	Adjective	Verb	Adverb
nastiness	Yes	No	No	No
awful	No	Yes	No	Yes

nastiness (noun)	awful (noun)
the quality of being highly unpleasant
malevolence by virtue of being malicious or spiteful or nasty
a state characterized by foul or disgusting dirt and refuse

nastiness (adjective)	awful (adjective)
	offensive or even (of persons) malicious
	causing fear or dread or terror
	exceptionally bad or displeasing
	extreme in degree or extent or amount or impact
	inspiring awe or admiration or wonder
	inspired by a feeling of fearful wonderment or reverence

nastiness (adverb)	awful (adverb)
	used as intensifiers