immoderation vs excess

immoderation and excess both are nouns.

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

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

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

Other hyponyms of immoderation include excessiveness, inordinateness.

immoderation (noun)	excess (noun)
the quality of being excessive and lacking in moderation	excessive indulgence
	immoderation as a consequence of going beyond sufficient or permitted limits
	a quantity much larger than is needed
	the state of being more than full

immoderation (adjective)	excess (adjective)
	more than is needed, desired, or required