asceticism vs self-denial

asceticism and self-denial both are nouns.

Word	Noun	Adjective	Verb	Adverb
asceticism	Yes	No	No	No
self-denial	Yes	No	No	No

As nouns, self-denial is a hypernym of asceticism; that is, self-denial is a word with a broader meaning than asceticism:

Other hypernyms of asceticism include self-control, self-discipline.

As nouns, self-denial is a hypernym of asceticism; that is, self-denial is a word with a broader meaning than asceticism:

asceticism: the trait of great self-denial (especially refraining from worldly pleasures)
self-denial: the trait of practicing self discipline

Other hypernyms of asceticism include self-discipline.

asceticism (noun)	self-denial (noun)
rigorous self-denial and active self-restraint	the act of denying yourself; controlling your impulses
the trait of great self-denial (especially refraining from worldly pleasures)	renunciation of your own interests in favor of the interests of others
the doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state	the trait of practicing self discipline