antiepileptic vs anticonvulsant drug

antiepileptic and anticonvulsant drug both are nouns.

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

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

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

Other synonyms of antiepileptic include anticonvulsant, antiepileptic drug.

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