Zarontin vs ethosuximide

Zarontin and ethosuximide both are nouns.

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

As nouns, Zarontin and ethosuximide are synonyms defined as:

Zarontin and ethosuximide: an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy

Other synonyms of Zarontin include Emeside.

Zarontin (noun)	ethosuximide (noun)
an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy	an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy