diphenylhydantoin vs Dilantin

diphenylhydantoin and Dilantin both are nouns.

Word	Noun	Adjective	Verb	Adverb
diphenylhydantoin	Yes	No	No	No
Dilantin	Yes	No	No	No

As nouns, diphenylhydantoin and Dilantin are synonyms defined as:

diphenylhydantoin and Dilantin: an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative

Other synonyms of diphenylhydantoin include phenytoin.

diphenylhydantoin (noun)	Dilantin (noun)
an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative	an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative