alcoholism abuse vs alcohol abuse

alcoholism abuse and alcohol abuse both are nouns.

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

As nouns, alcoholism abuse and alcohol abuse are synonyms defined as:

alcoholism abuse and alcohol abuse: excessive use of alcohol and alcoholic drinks

Other synonyms of alcoholism abuse include alcoholic abuse.

alcoholism abuse (noun)	alcohol abuse (noun)
excessive use of alcohol and alcoholic drinks	excessive use of alcohol and alcoholic drinks