Mebaral vs antiepileptic drug

Mebaral and antiepileptic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mebaral	Yes	No	No	No
antiepileptic drug	Yes	No	No	No

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

Mebaral: a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy
antiepileptic drug: a drug used to treat or prevent convulsions (as in epilepsy)

Other hypernyms of Mebaral include anticonvulsant, anticonvulsant drug, antiepileptic, barbiturate.

Mebaral (noun)	antiepileptic drug (noun)
a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy	a drug used to treat or prevent convulsions (as in epilepsy)