excessiveness vs immoderation

excessiveness and immoderation both are nouns.

Word	Noun	Adjective	Verb	Adverb
excessiveness	Yes	No	No	No
immoderation	Yes	No	No	No

As nouns, immoderation is a hypernym of excessiveness; that is, immoderation is a word with a broader meaning than excessiveness:

excessiveness: immoderation as a consequence of going beyond sufficient or permitted limits
immoderation: the quality of being excessive and lacking in moderation

Other hypernyms of excessiveness include immoderateness.

excessiveness (noun)	immoderation (noun)
immoderation as a consequence of going beyond sufficient or permitted limits	the quality of being excessive and lacking in moderation