enormity vs ugliness

enormity and ugliness both are nouns.

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

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

Other hypernyms of enormity include nefariousness, vileness, wickedness.

enormity (noun)	ugliness (noun)
an act of extreme wickedness	qualities of appearance that do not give pleasure to the senses
the quality of extreme wickedness	the quality of being wicked
the quality of being outrageous
vastness of size or extent