nefariousness vs evil

nefariousness and evil both are nouns.

Word	Noun	Adjective	Verb	Adverb
nefariousness	Yes	No	No	No
evil	Yes	Yes	No	No

As nouns, evil is a hypernym of nefariousness; that is, evil is a word with a broader meaning than nefariousness:

Other hypernyms of nefariousness include evilness.

nefariousness (noun)	evil (noun)
the quality of being wicked	morally objectionable behavior
	the quality of being morally wrong in principle or practice

nefariousness (adjective)	evil (adjective)
	morally bad or wrong
	having or exerting a malignant influence
	having the nature of vice