antiepileptic drug vs anticonvulsant

antiepileptic drug and anticonvulsant both are nouns.

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

As nouns, antiepileptic drug and anticonvulsant are synonyms defined as:

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

Other synonyms of antiepileptic drug include anticonvulsant drug, antiepileptic.

antiepileptic drug (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)