addiction studies vs discipline

addiction studies and discipline both are nouns.

Word	Noun	Adjective	Verb	Adverb
addiction studies	Yes	No	No	No
discipline	Yes	No	Yes	No

As nouns, discipline is a hypernym of addiction studies; that is, discipline is a word with a broader meaning than addiction studies:

addiction studies: a formal exploration of addictions from a variety of academic and scientific perspectives: sociological, cultural, psychological, anthropological, and psychoanalytic.
discipline: a branch of knowledge

Other hypernyms of addiction studies include bailiwick, field, field of study, study, subject, subject area, subject field.

addiction studies (noun)	discipline (noun)
a formal exploration of addictions from a variety of academic and scientific perspectives: sociological, cultural, psychological, anthropological, and psychoanalytic.	training to improve strength or self-control
	the act of disciplining
	the trait of being well behaved
	a branch of knowledge
	a system of rules of conduct or method of practice

addiction studies (verb)	discipline (verb)
	punish in order to gain control or enforce obedience
	develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control