asceticism vs doctrine

asceticism and doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
asceticism	Yes	No	No	No
doctrine	Yes	No	No	No

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

asceticism: the doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of asceticism include ism, philosophical system, philosophy, school of thought.

asceticism (noun)	doctrine (noun)
rigorous self-denial and active self-restraint	a belief (or system of beliefs) accepted as authoritative by some group or school
the trait of great self-denial (especially refraining from worldly pleasures)
the doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state