ethosuximide vs anticonvulsant

ethosuximide and anticonvulsant both are nouns.

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

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

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

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

ethosuximide (noun)	anticonvulsant (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)