ethosuximide vs antiepileptic

ethosuximide and antiepileptic both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethosuximide	Yes	No	No	No
antiepileptic	Yes	No	No	No

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

ethosuximide: an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy
antiepileptic: a drug used to treat or prevent convulsions (as in epilepsy)

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

ethosuximide (noun)	antiepileptic (noun)
an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy	a drug used to treat or prevent convulsions (as in epilepsy)