Milontin vs phensuximide

Milontin and phensuximide both are nouns.

Word	Noun	Adjective	Verb	Adverb
Milontin	Yes	No	No	No
phensuximide	Yes	No	No	No

As nouns, Milontin and phensuximide are synonyms defined as:

Milontin and phensuximide: anticonvulsant (trade name Milontin) used to treat petit mal

Milontin (noun)	phensuximide (noun)
anticonvulsant (trade name Milontin) used to treat petit mal	anticonvulsant (trade name Milontin) used to treat petit mal