ill-natured vs nature

ill-natured is not a noun while nature is a noun.

Word	Noun	Adjective	Verb	Adverb
ill-natured	No	Yes	No	No
nature	Yes	No	No	No

ill-natured (noun)	nature (noun)
	the complex of emotional and intellectual attributes that determine a person's characteristic actions and reactions
	the essential qualities or characteristics by which something is recognized
	a particular type of thing
	the natural physical world including plants and animals and landscapes etc.
	a causal agent creating and controlling things in the universe

ill-natured (adjective)	nature (adjective)
having an irritable and unpleasant disposition