Milontin vs antiepileptic drug

Milontin and antiepileptic drug both are nouns.

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

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

Milontin: anticonvulsant (trade name Milontin) used to treat petit mal
antiepileptic drug: a drug used to treat or prevent convulsions (as in epilepsy)

Other hypernyms of Milontin include anticonvulsant, anticonvulsant drug, antiepileptic.

Milontin (noun)	antiepileptic drug (noun)
anticonvulsant (trade name Milontin) used to treat petit mal	a drug used to treat or prevent convulsions (as in epilepsy)