alcohol abuse vs habit

alcohol abuse and habit both are nouns.

Word	Noun	Adjective	Verb	Adverb
alcohol abuse	Yes	No	No	No
habit	Yes	No	Yes	No

As nouns, habit is a hypernym of alcohol abuse; that is, habit is a word with a broader meaning than alcohol abuse:

Other hypernyms of alcohol abuse include drug abuse, substance abuse.

alcohol abuse (noun)	habit (noun)
excessive use of alcohol and alcoholic drinks	excessive use of drugs
	(psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
	a distinctive attire worn by a member of a religious order
	attire that is typically worn by a horseback rider (especially a woman's attire)
	an established custom
	the general form or mode of growth (especially of a plant or crystal)

alcohol abuse (verb)	habit (verb)
	put a habit on