immorality vs anomy

immorality and anomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
immorality	Yes	No	No	No
anomy	Yes	No	No	No

As nouns, anomy is a hyponym of immorality; that is, anomy is a word with a more specific, narrower meaning than immorality:

immorality: the quality of not being in accord with standards of right or good conduct
anomy: lack of moral standards in a society

immorality (noun)	anomy (noun)
morally objectionable behavior	lack of moral standards in a society
the quality of not being in accord with standards of right or good conduct	personal state of isolation and anxiety resulting from a lack of social control and regulation