indulgent vs decadent

indulgent is not a noun while decadent is a noun.

Word	Noun	Adjective	Verb	Adverb
indulgent	No	Yes	No	No
decadent	Yes	Yes	No	No

indulgent (noun)	decadent (noun)
	a person who has fallen into a decadent state (morally or artistically)

indulgent (adjective)	decadent (adjective)
characterized by or given to yielding to the wishes of someone	marked by excessive self-indulgence and moral decay
being favorably inclined	luxuriously self-indulgent
tolerant or lenient