phensuximide vs anticonvulsant

phensuximide and anticonvulsant both are nouns.

Word	Noun	Adjective	Verb	Adverb
phensuximide	Yes	No	No	No
anticonvulsant	Yes	No	No	No

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

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

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

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