enormity vs nefariousness

enormity and nefariousness both are nouns.

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

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

Other hypernyms of enormity include ugliness, vileness, wickedness.

enormity (noun)	nefariousness (noun)
an act of extreme wickedness	the quality of being wicked
the quality of extreme wickedness
the quality of being outrageous
vastness of size or extent