antiepileptic vs anticonvulsant

antiepileptic and anticonvulsant both are nouns.

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

As nouns, antiepileptic and anticonvulsant are synonyms defined as:

antiepileptic and anticonvulsant: a drug used to treat or prevent convulsions (as in epilepsy)

Other synonyms of antiepileptic include anticonvulsant drug, antiepileptic drug.

antiepileptic (noun)	anticonvulsant (noun)
a drug used to treat or prevent convulsions (as in epilepsy)	a drug used to treat or prevent convulsions (as in epilepsy)