enormity vs indecency

enormity and indecency both are nouns.

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

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

enormity (noun)	indecency (noun)
an act of extreme wickedness	an indecent or improper act
the quality of extreme wickedness	the quality of being indecent
the quality of being outrageous
vastness of size or extent