Mebaral vs anticonvulsant drug

Mebaral and anticonvulsant drug both are nouns.

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

As nouns, anticonvulsant drug is a hypernym of Mebaral; that is, anticonvulsant 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
anticonvulsant drug: a drug used to treat or prevent convulsions (as in epilepsy)

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

Mebaral (noun)	anticonvulsant 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)