dronabinol vs psychoactive drug

dronabinol and psychoactive drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
dronabinol	Yes	No	No	No
psychoactive drug	Yes	No	No	No

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

dronabinol: psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy
psychoactive drug: a drug that can produce mood changes and distorted perceptions

Other hypernyms of dronabinol include consciousness-altering drug, mind-altering drug, psychoactive substance.

dronabinol (noun)	psychoactive drug (noun)
psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy	a drug that can produce mood changes and distorted perceptions