nonindulgent vs austere

nonindulgent and austere both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nonindulgent	No	Yes	No	No
austere	No	Yes	No	No

nonindulgent (adjective)	austere (adjective)
characterized by strictness, severity, or restraint	practicing great self-denial
	of a stern or strict bearing or demeanor; forbidding in aspect
	severely simple