Milontin vs anticonvulsant drug

Milontin and anticonvulsant drug both are nouns.

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

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

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

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

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