inebriant vs drug of abuse

inebriant and drug of abuse both are nouns.

Word	Noun	Adjective	Verb	Adverb
inebriant	Yes	No	No	No
drug of abuse	Yes	No	No	No

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

inebriant: a liquor or brew containing alcohol as the active agent
drug of abuse: a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction

Other hypernyms of inebriant include street drug, beverage, drink, drinkable, potable.

inebriant (noun)	drug of abuse (noun)
a liquor or brew containing alcohol as the active agent	a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction