continence vs self-discipline

continence and self-discipline both are nouns.

Word	Noun	Adjective	Verb	Adverb
continence	Yes	No	No	No
self-discipline	Yes	No	No	No

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

Other hypernyms of continence include self-denial.

continence (noun)	self-discipline (noun)
the exercise of self constraint in sexual matters	the act of denying yourself; controlling your impulses
voluntary control over urinary and fecal discharge	the trait of practicing self discipline